128791728

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 320

約数和(自身を含む): 449971200

約数和(自身を除く): 321179472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 19, 24, 26, 27, 34, 36, 38, 39, 48, 51, 52, 54, 57, 68, 71, 72, 76, 78, 102, 104, 108, 114, 117, 136, 142, 144, 152, 153, 156, 171, 204, 208, 213, 216, 221, 228, 234, 247, 272, 284, 304, 306, 312, 323, 342, 351, 408, 426, 432, 442, 456, 459, 468, 494, 513, 568, 612, 624, 639, 646, 663, 684, 702, 741, 816, 852, 884, 912, 918, 923, 936, 969, 988, 1026, 1136, 1207, 1224, 1278, 1292, 1326, 1349, 1368, 1404, 1482, 1704, 1768, 1836, 1846, 1872, 1917, 1938, 1976, 1989, 2052, 2223, 2414, 2448, 2556, 2584, 2652, 2698, 2736, 2769, 2808, 2907, 2964, 3408, 3536, 3621, 3672, 3692, 3834, 3876, 3952, 3978, 4047, 4104, 4199, 4446, 4828, 5112, 5168, 5304, 5396, 5538, 5616, 5814, 5928, 5967, 6669, 7242, 7344, 7384, 7668, 7752, 7956, 8094, 8208, 8307, 8398, 8721, 8892, 9656, 10224, 10608, 10792, 10863, 11076, 11628, 11856, 11934, 12141, 12597, 13338, 14484, 14768, 15336, 15504, 15691, 15912, 16188, 16614, 16796, 17442, 17537, 17784, 19312, 21584, 21726, 22152, 22933, 23256, 23868, 24282, 24921, 25194, 26676, 28968, 30672, 31382, 31824, 32376, 32589, 33228, 33592, 34884, 35074, 35568, 36423, 37791, 43452, 44304, 45866, 46512, 47073, 47736, 48564, 49842, 50388, 52611, 53352, 57936, 62764, 64752, 65178, 66456, 67184, 68799, 69768, 70148, 72846, 75582, 86904, 91732, 94146, 95472, 97128, 99684, 100776, 105222, 106704, 113373, 125528, 130356, 132912, 137598, 139536, 140296, 141219, 145692, 151164, 157833, 173808, 183464, 188292, 194256, 199368, 201552, 206397, 210444, 226746, 251056, 260712, 275196, 280592, 282438, 291384, 298129, 302328, 315666, 366928, 376584, 398736, 412794, 420888, 423657, 453492, 473499, 521424, 550392, 564876, 582768, 596258, 604656, 619191, 631332, 753168, 825588, 841776, 847314, 894387, 906984, 946998, 1100784, 1129752, 1192516, 1238382, 1262664, 1651176, 1694628, 1788774, 1813968, 1893996, 2259504, 2385032, 2476764, 2525328, 2683161, 3302352, 3389256, 3577548, 3787992, 4770064, 4953528, 5366322, 6778512, 7155096, 7575984, 8049483, 9907056, 10732644, 14310192, 16098966, 21465288, 32197932, 42930576, 64395864, 128791728]

約数ペア:

[(1, 128791728), (2, 64395864), (3, 42930576), (4, 32197932), (6, 21465288), (8, 16098966), (9, 14310192), (12, 10732644), (13, 9907056), (16, 8049483), (17, 7575984), (18, 7155096), (19, 6778512), (24, 5366322), (26, 4953528), (27, 4770064), (34, 3787992), (36, 3577548), (38, 3389256), (39, 3302352), (48, 2683161), (51, 2525328), (52, 2476764), (54, 2385032), (57, 2259504), (68, 1893996), (71, 1813968), (72, 1788774), (76, 1694628), (78, 1651176), (102, 1262664), (104, 1238382), (108, 1192516), (114, 1129752), (117, 1100784), (136, 946998), (142, 906984), (144, 894387), (152, 847314), (153, 841776), (156, 825588), (171, 753168), (204, 631332), (208, 619191), (213, 604656), (216, 596258), (221, 582768), (228, 564876), (234, 550392), (247, 521424), (272, 473499), (284, 453492), (304, 423657), (306, 420888), (312, 412794), (323, 398736), (342, 376584), (351, 366928), (408, 315666), (426, 302328), (432, 298129), (442, 291384), (456, 282438), (459, 280592), (468, 275196), (494, 260712), (513, 251056), (568, 226746), (612, 210444), (624, 206397), (639, 201552), (646, 199368), (663, 194256), (684, 188292), (702, 183464), (741, 173808), (816, 157833), (852, 151164), (884, 145692), (912, 141219), (918, 140296), (923, 139536), (936, 137598), (969, 132912), (988, 130356), (1026, 125528), (1136, 113373), (1207, 106704), (1224, 105222), (1278, 100776), (1292, 99684), (1326, 97128), (1349, 95472), (1368, 94146), (1404, 91732), (1482, 86904), (1704, 75582), (1768, 72846), (1836, 70148), (1846, 69768), (1872, 68799), (1917, 67184), (1938, 66456), (1976, 65178), (1989, 64752), (2052, 62764), (2223, 57936), (2414, 53352), (2448, 52611), (2556, 50388), (2584, 49842), (2652, 48564), (2698, 47736), (2736, 47073), (2769, 46512), (2808, 45866), (2907, 44304), (2964, 43452), (3408, 37791), (3536, 36423), (3621, 35568), (3672, 35074), (3692, 34884), (3834, 33592), (3876, 33228), (3952, 32589), (3978, 32376), (4047, 31824), (4104, 31382), (4199, 30672), (4446, 28968), (4828, 26676), (5112, 25194), (5168, 24921), (5304, 24282), (5396, 23868), (5538, 23256), (5616, 22933), (5814, 22152), (5928, 21726), (5967, 21584), (6669, 19312), (7242, 17784), (7344, 17537), (7384, 17442), (7668, 16796), (7752, 16614), (7956, 16188), (8094, 15912), (8208, 15691), (8307, 15504), (8398, 15336), (8721, 14768), (8892, 14484), (9656, 13338), (10224, 12597), (10608, 12141), (10792, 11934), (10863, 11856), (11076, 11628)]