64328680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 109853720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 383, 442, 494, 520, 646, 680, 760, 766, 884, 988, 1105, 1235, 1292, 1532, 1615, 1768, 1915, 1976, 2210, 2470, 2584, 3064, 3230, 3830, 4199, 4420, 4940, 4979, 6460, 6511, 7277, 7660, 8398, 8840, 9880, 9958, 12920, 13022, 14554, 15320, 16796, 19916, 20995, 24895, 26044, 29108, 32555, 33592, 36385, 39832, 41990, 49790, 52088, 58216, 65110, 72770, 83980, 84643, 94601, 99580, 123709, 130220, 145540, 167960, 169286, 189202, 199160, 247418, 260440, 291080, 338572, 378404, 423215, 473005, 494836, 618545, 677144, 756808, 846430, 946010, 989672, 1237090, 1608217, 1692860, 1892020, 2474180, 3216434, 3385720, 3784040, 4948360, 6432868, 8041085, 12865736, 16082170, 32164340, 64328680]

約数ペア:

[(1, 64328680), (2, 32164340), (4, 16082170), (5, 12865736), (8, 8041085), (10, 6432868), (13, 4948360), (17, 3784040), (19, 3385720), (20, 3216434), (26, 2474180), (34, 1892020), (38, 1692860), (40, 1608217), (52, 1237090), (65, 989672), (68, 946010), (76, 846430), (85, 756808), (95, 677144), (104, 618545), (130, 494836), (136, 473005), (152, 423215), (170, 378404), (190, 338572), (221, 291080), (247, 260440), (260, 247418), (323, 199160), (340, 189202), (380, 169286), (383, 167960), (442, 145540), (494, 130220), (520, 123709), (646, 99580), (680, 94601), (760, 84643), (766, 83980), (884, 72770), (988, 65110), (1105, 58216), (1235, 52088), (1292, 49790), (1532, 41990), (1615, 39832), (1768, 36385), (1915, 33592), (1976, 32555), (2210, 29108), (2470, 26044), (2584, 24895), (3064, 20995), (3230, 19916), (3830, 16796), (4199, 15320), (4420, 14554), (4940, 13022), (4979, 12920), (6460, 9958), (6511, 9880), (7277, 8840), (7660, 8398)]