486519280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{691}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 1221734304

約数和(自身を除く): 735215024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 677, 691, 1040, 1354, 1382, 2708, 2764, 3385, 3455, 5416, 5528, 6770, 6910, 8801, 8983, 10832, 11056, 13540, 13820, 17602, 17966, 27080, 27640, 35204, 35932, 44005, 44915, 54160, 55280, 70408, 71864, 88010, 89830, 140816, 143728, 176020, 179660, 352040, 359320, 467807, 704080, 718640, 935614, 1871228, 2339035, 3742456, 4678070, 6081491, 7484912, 9356140, 12162982, 18712280, 24325964, 30407455, 37424560, 48651928, 60814910, 97303856, 121629820, 243259640, 486519280]

約数ペア:

[(1, 486519280), (2, 243259640), (4, 121629820), (5, 97303856), (8, 60814910), (10, 48651928), (13, 37424560), (16, 30407455), (20, 24325964), (26, 18712280), (40, 12162982), (52, 9356140), (65, 7484912), (80, 6081491), (104, 4678070), (130, 3742456), (208, 2339035), (260, 1871228), (520, 935614), (677, 718640), (691, 704080), (1040, 467807), (1354, 359320), (1382, 352040), (2708, 179660), (2764, 176020), (3385, 143728), (3455, 140816), (5416, 89830), (5528, 88010), (6770, 71864), (6910, 70408), (8801, 55280), (8983, 54160), (10832, 44915), (11056, 44005), (13540, 35932), (13820, 35204), (17602, 27640), (17966, 27080)]