320430416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 686206080

約数和(自身を除く): 365775664

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 59, 68, 82, 118, 136, 164, 236, 272, 328, 472, 487, 656, 697, 944, 974, 1003, 1394, 1948, 2006, 2419, 2788, 3896, 4012, 4838, 5576, 7792, 8024, 8279, 9676, 11152, 16048, 16558, 19352, 19967, 28733, 33116, 38704, 39934, 41123, 57466, 66232, 79868, 82246, 114932, 132464, 159736, 164492, 229864, 319472, 328984, 339439, 459728, 488461, 657968, 678878, 976922, 1178053, 1357756, 1953844, 2356106, 2715512, 3907688, 4712212, 5431024, 7815376, 9424424, 18848848, 20026901, 40053802, 80107604, 160215208, 320430416]

約数ペア:

[(1, 320430416), (2, 160215208), (4, 80107604), (8, 40053802), (16, 20026901), (17, 18848848), (34, 9424424), (41, 7815376), (59, 5431024), (68, 4712212), (82, 3907688), (118, 2715512), (136, 2356106), (164, 1953844), (236, 1357756), (272, 1178053), (328, 976922), (472, 678878), (487, 657968), (656, 488461), (697, 459728), (944, 339439), (974, 328984), (1003, 319472), (1394, 229864), (1948, 164492), (2006, 159736), (2419, 132464), (2788, 114932), (3896, 82246), (4012, 79868), (4838, 66232), (5576, 57466), (7792, 41123), (8024, 39934), (8279, 38704), (9676, 33116), (11152, 28733), (16048, 19967), (16558, 19352)]