640903536

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 480

約数和(自身を含む): 2457967680

約数和(自身を除く): 1817064144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 27, 28, 34, 36, 39, 42, 48, 49, 51, 52, 54, 56, 63, 68, 72, 78, 84, 91, 98, 102, 104, 108, 112, 117, 119, 126, 136, 137, 144, 147, 153, 156, 168, 182, 189, 196, 204, 208, 216, 221, 234, 238, 252, 272, 273, 274, 294, 306, 312, 336, 351, 357, 364, 378, 392, 408, 411, 432, 441, 442, 459, 468, 476, 504, 546, 548, 588, 612, 624, 637, 663, 702, 714, 728, 756, 784, 816, 819, 822, 833, 882, 884, 918, 936, 952, 959, 1008, 1071, 1092, 1096, 1176, 1224, 1233, 1274, 1323, 1326, 1404, 1428, 1456, 1512, 1547, 1638, 1644, 1666, 1764, 1768, 1781, 1836, 1872, 1904, 1911, 1918, 1989, 2142, 2184, 2192, 2329, 2352, 2448, 2457, 2466, 2499, 2548, 2646, 2652, 2808, 2856, 2877, 3024, 3094, 3213, 3276, 3288, 3332, 3528, 3536, 3562, 3672, 3699, 3822, 3836, 3978, 4284, 4368, 4641, 4658, 4914, 4932, 4998, 5096, 5292, 5304, 5343, 5616, 5712, 5733, 5754, 5967, 6188, 6426, 6552, 6576, 6664, 6713, 6987, 7056, 7124, 7344, 7398, 7497, 7644, 7672, 7956, 8568, 8631, 9282, 9316, 9828, 9864, 9996, 10192, 10584, 10608, 10686, 10829, 11466, 11508, 11934, 12376, 12467, 12852, 13104, 13328, 13426, 13923, 13974, 14248, 14796, 14994, 15288, 15344, 15912, 16029, 16303, 17136, 17199, 17262, 18564, 18632, 19656, 19728, 19992, 20139, 20961, 21168, 21372, 21658, 22491, 22932, 23016, 23868, 24752, 24934, 25704, 25893, 26852, 27846, 27948, 28496, 29592, 29988, 30277, 30576, 31824, 32058, 32487, 32606, 34398, 34524, 37128, 37264, 37401, 39312, 39984, 40278, 41769, 41922, 42744, 43316, 44982, 45864, 46032, 47736, 48087, 48909, 49868, 51408, 51786, 53704, 55692, 55896, 59184, 59976, 60417, 60554, 62883, 64116, 64974, 65212, 68796, 69048, 74256, 74802, 80556, 83538, 83844, 85488, 86632, 87269, 89964, 90831, 91728, 95472, 96174, 97461, 97818, 99736, 103572, 107408, 111384, 111792, 112203, 114121, 119952, 120834, 121108, 125766, 128232, 129948, 130424, 137592, 138096, 146727, 149604, 161112, 167076, 167688, 173264, 174538, 179928, 181251, 181662, 192348, 194922, 195636, 199472, 207144, 211939, 222768, 224406, 228242, 241668, 242216, 251532, 256464, 259896, 260848, 261807, 272493, 275184, 292383, 293454, 299208, 322224, 334152, 335376, 336609, 342363, 349076, 359856, 362502, 363324, 384696, 389844, 391272, 414288, 423878, 440181, 448812, 456484, 483336, 484432, 503064, 519792, 523614, 544986, 584766, 586908, 598416, 635817, 668304, 673218, 684726, 698152, 725004, 726648, 769392, 779688, 782544, 785421, 817479, 847756, 880362, 897624, 912968, 966672, 1006128, 1027089, 1047228, 1089972, 1169532, 1173816, 1271634, 1346436, 1369452, 1396304, 1450008, 1453296, 1483573, 1559376, 1570842, 1634958, 1695512, 1760724, 1795248, 1825936, 1907451, 2054178, 2094456, 2179944, 2339064, 2347632, 2356263, 2543268, 2692872, 2738904, 2900016, 2967146, 3081267, 3141684, 3269916, 3391024, 3521448, 3814902, 4108356, 4188912, 4359888, 4450719, 4678128, 4712526, 5086536, 5385744, 5477808, 5722353, 5934292, 6162534, 6283368, 6539832, 7042896, 7629804, 8216712, 8901438, 9425052, 10173072, 11444706, 11868584, 12325068, 12566736, 13079664, 13352157, 15259608, 16433424, 17802876, 18850104, 22889412, 23737168, 24650136, 26704314, 30519216, 35605752, 37700208, 40056471, 45778824, 49300272, 53408628, 71211504, 80112942, 91557648, 106817256, 160225884, 213634512, 320451768, 640903536]

約数ペア:

[(1, 640903536), (2, 320451768), (3, 213634512), (4, 160225884), (6, 106817256), (7, 91557648), (8, 80112942), (9, 71211504), (12, 53408628), (13, 49300272), (14, 45778824), (16, 40056471), (17, 37700208), (18, 35605752), (21, 30519216), (24, 26704314), (26, 24650136), (27, 23737168), (28, 22889412), (34, 18850104), (36, 17802876), (39, 16433424), (42, 15259608), (48, 13352157), (49, 13079664), (51, 12566736), (52, 12325068), (54, 11868584), (56, 11444706), (63, 10173072), (68, 9425052), (72, 8901438), (78, 8216712), (84, 7629804), (91, 7042896), (98, 6539832), (102, 6283368), (104, 6162534), (108, 5934292), (112, 5722353), (117, 5477808), (119, 5385744), (126, 5086536), (136, 4712526), (137, 4678128), (144, 4450719), (147, 4359888), (153, 4188912), (156, 4108356), (168, 3814902), (182, 3521448), (189, 3391024), (196, 3269916), (204, 3141684), (208, 3081267), (216, 2967146), (221, 2900016), (234, 2738904), (238, 2692872), (252, 2543268), (272, 2356263), (273, 2347632), (274, 2339064), (294, 2179944), (306, 2094456), (312, 2054178), (336, 1907451), (351, 1825936), (357, 1795248), (364, 1760724), (378, 1695512), (392, 1634958), (408, 1570842), (411, 1559376), (432, 1483573), (441, 1453296), (442, 1450008), (459, 1396304), (468, 1369452), (476, 1346436), (504, 1271634), (546, 1173816), (548, 1169532), (588, 1089972), (612, 1047228), (624, 1027089), (637, 1006128), (663, 966672), (702, 912968), (714, 897624), (728, 880362), (756, 847756), (784, 817479), (816, 785421), (819, 782544), (822, 779688), (833, 769392), (882, 726648), (884, 725004), (918, 698152), (936, 684726), (952, 673218), (959, 668304), (1008, 635817), (1071, 598416), (1092, 586908), (1096, 584766), (1176, 544986), (1224, 523614), (1233, 519792), (1274, 503064), (1323, 484432), (1326, 483336), (1404, 456484), (1428, 448812), (1456, 440181), (1512, 423878), (1547, 414288), (1638, 391272), (1644, 389844), (1666, 384696), (1764, 363324), (1768, 362502), (1781, 359856), (1836, 349076), (1872, 342363), (1904, 336609), (1911, 335376), (1918, 334152), (1989, 322224), (2142, 299208), (2184, 293454), (2192, 292383), (2329, 275184), (2352, 272493), (2448, 261807), (2457, 260848), (2466, 259896), (2499, 256464), (2548, 251532), (2646, 242216), (2652, 241668), (2808, 228242), (2856, 224406), (2877, 222768), (3024, 211939), (3094, 207144), (3213, 199472), (3276, 195636), (3288, 194922), (3332, 192348), (3528, 181662), (3536, 181251), (3562, 179928), (3672, 174538), (3699, 173264), (3822, 167688), (3836, 167076), (3978, 161112), (4284, 149604), (4368, 146727), (4641, 138096), (4658, 137592), (4914, 130424), (4932, 129948), (4998, 128232), (5096, 125766), (5292, 121108), (5304, 120834), (5343, 119952), (5616, 114121), (5712, 112203), (5733, 111792), (5754, 111384), (5967, 107408), (6188, 103572), (6426, 99736), (6552, 97818), (6576, 97461), (6664, 96174), (6713, 95472), (6987, 91728), (7056, 90831), (7124, 89964), (7344, 87269), (7398, 86632), (7497, 85488), (7644, 83844), (7672, 83538), (7956, 80556), (8568, 74802), (8631, 74256), (9282, 69048), (9316, 68796), (9828, 65212), (9864, 64974), (9996, 64116), (10192, 62883), (10584, 60554), (10608, 60417), (10686, 59976), (10829, 59184), (11466, 55896), (11508, 55692), (11934, 53704), (12376, 51786), (12467, 51408), (12852, 49868), (13104, 48909), (13328, 48087), (13426, 47736), (13923, 46032), (13974, 45864), (14248, 44982), (14796, 43316), (14994, 42744), (15288, 41922), (15344, 41769), (15912, 40278), (16029, 39984), (16303, 39312), (17136, 37401), (17199, 37264), (17262, 37128), (18564, 34524), (18632, 34398), (19656, 32606), (19728, 32487), (19992, 32058), (20139, 31824), (20961, 30576), (21168, 30277), (21372, 29988), (21658, 29592), (22491, 28496), (22932, 27948), (23016, 27846), (23868, 26852), (24752, 25893), (24934, 25704)]