640303776

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 324

約数和(自身を含む): 2264405598

約数和(自身を除く): 1624101822

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 96, 98, 102, 112, 119, 126, 136, 144, 147, 153, 157, 168, 196, 204, 224, 238, 252, 272, 288, 289, 294, 306, 314, 336, 357, 392, 408, 441, 471, 476, 504, 544, 578, 588, 612, 628, 672, 714, 784, 816, 833, 867, 882, 942, 952, 1008, 1071, 1099, 1156, 1176, 1224, 1256, 1413, 1428, 1568, 1632, 1666, 1734, 1764, 1884, 1904, 2016, 2023, 2142, 2198, 2312, 2352, 2448, 2499, 2512, 2601, 2669, 2826, 2856, 3297, 3332, 3468, 3528, 3768, 3808, 4046, 4284, 4396, 4624, 4704, 4896, 4998, 5024, 5202, 5338, 5652, 5712, 6069, 6594, 6664, 6936, 7056, 7497, 7536, 7693, 8007, 8092, 8568, 8792, 9248, 9891, 9996, 10404, 10676, 11304, 11424, 12138, 13188, 13328, 13872, 14112, 14161, 14994, 15072, 15386, 16014, 16184, 17136, 17584, 18207, 18683, 19782, 19992, 20808, 21352, 22608, 23079, 24021, 24276, 26376, 26656, 27744, 28322, 29988, 30772, 32028, 32368, 34272, 35168, 36414, 37366, 39564, 39984, 41616, 42483, 42704, 45216, 45373, 46158, 48042, 48552, 52752, 56049, 56644, 59976, 61544, 64056, 64736, 69237, 72828, 74732, 79128, 79968, 83232, 84966, 85408, 90746, 92316, 96084, 97104, 105504, 112098, 113288, 119952, 123088, 127449, 128112, 130781, 136119, 138474, 145656, 149464, 158256, 168147, 169932, 181492, 184632, 192168, 194208, 224196, 226576, 239904, 246176, 254898, 256224, 261562, 272238, 276948, 291312, 298928, 316512, 317611, 336294, 339864, 362984, 369264, 384336, 392343, 408357, 448392, 453152, 509796, 523124, 544476, 553896, 582624, 597856, 635222, 672588, 679728, 725968, 738528, 768672, 784686, 816714, 896784, 952833, 1019592, 1046248, 1088952, 1107792, 1177029, 1270444, 1345176, 1359456, 1451936, 1569372, 1633428, 1793568, 1905666, 2039184, 2092496, 2177904, 2215584, 2223277, 2354058, 2540888, 2690352, 2858499, 3138744, 3266856, 3811332, 4078368, 4184992, 4355808, 4446554, 4708116, 5081776, 5380704, 5716998, 6277488, 6533712, 6669831, 7622664, 8893108, 9416232, 10163552, 11433996, 12554976, 13067424, 13339662, 15245328, 17786216, 18832464, 20009493, 22867992, 26679324, 30490656, 35572432, 37664928, 40018986, 45735984, 53358648, 71144864, 80037972, 91471968, 106717296, 160075944, 213434592, 320151888, 640303776]

約数ペア:

[(1, 640303776), (2, 320151888), (3, 213434592), (4, 160075944), (6, 106717296), (7, 91471968), (8, 80037972), (9, 71144864), (12, 53358648), (14, 45735984), (16, 40018986), (17, 37664928), (18, 35572432), (21, 30490656), (24, 26679324), (28, 22867992), (32, 20009493), (34, 18832464), (36, 17786216), (42, 15245328), (48, 13339662), (49, 13067424), (51, 12554976), (56, 11433996), (63, 10163552), (68, 9416232), (72, 8893108), (84, 7622664), (96, 6669831), (98, 6533712), (102, 6277488), (112, 5716998), (119, 5380704), (126, 5081776), (136, 4708116), (144, 4446554), (147, 4355808), (153, 4184992), (157, 4078368), (168, 3811332), (196, 3266856), (204, 3138744), (224, 2858499), (238, 2690352), (252, 2540888), (272, 2354058), (288, 2223277), (289, 2215584), (294, 2177904), (306, 2092496), (314, 2039184), (336, 1905666), (357, 1793568), (392, 1633428), (408, 1569372), (441, 1451936), (471, 1359456), (476, 1345176), (504, 1270444), (544, 1177029), (578, 1107792), (588, 1088952), (612, 1046248), (628, 1019592), (672, 952833), (714, 896784), (784, 816714), (816, 784686), (833, 768672), (867, 738528), (882, 725968), (942, 679728), (952, 672588), (1008, 635222), (1071, 597856), (1099, 582624), (1156, 553896), (1176, 544476), (1224, 523124), (1256, 509796), (1413, 453152), (1428, 448392), (1568, 408357), (1632, 392343), (1666, 384336), (1734, 369264), (1764, 362984), (1884, 339864), (1904, 336294), (2016, 317611), (2023, 316512), (2142, 298928), (2198, 291312), (2312, 276948), (2352, 272238), (2448, 261562), (2499, 256224), (2512, 254898), (2601, 246176), (2669, 239904), (2826, 226576), (2856, 224196), (3297, 194208), (3332, 192168), (3468, 184632), (3528, 181492), (3768, 169932), (3808, 168147), (4046, 158256), (4284, 149464), (4396, 145656), (4624, 138474), (4704, 136119), (4896, 130781), (4998, 128112), (5024, 127449), (5202, 123088), (5338, 119952), (5652, 113288), (5712, 112098), (6069, 105504), (6594, 97104), (6664, 96084), (6936, 92316), (7056, 90746), (7497, 85408), (7536, 84966), (7693, 83232), (8007, 79968), (8092, 79128), (8568, 74732), (8792, 72828), (9248, 69237), (9891, 64736), (9996, 64056), (10404, 61544), (10676, 59976), (11304, 56644), (11424, 56049), (12138, 52752), (13188, 48552), (13328, 48042), (13872, 46158), (14112, 45373), (14161, 45216), (14994, 42704), (15072, 42483), (15386, 41616), (16014, 39984), (16184, 39564), (17136, 37366), (17584, 36414), (18207, 35168), (18683, 34272), (19782, 32368), (19992, 32028), (20808, 30772), (21352, 29988), (22608, 28322), (23079, 27744), (24021, 26656), (24276, 26376)]