1520223640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7477}}^1$

素因数の和:7541

約数の個数: 128

約数和(自身を含む): 4070424960

約数和(自身を除く): 2550201320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 299, 340, 391, 442, 460, 520, 598, 680, 782, 884, 920, 1105, 1196, 1495, 1564, 1768, 1955, 2210, 2392, 2990, 3128, 3910, 4420, 5083, 5980, 7477, 7820, 8840, 10166, 11960, 14954, 15640, 20332, 25415, 29908, 37385, 40664, 50830, 59816, 74770, 97201, 101660, 127109, 149540, 171971, 194402, 203320, 254218, 299080, 343942, 388804, 486005, 508436, 635545, 687884, 777608, 859855, 972010, 1016872, 1271090, 1375768, 1652417, 1719710, 1944020, 2235623, 2542180, 2923507, 3304834, 3439420, 3888040, 4471246, 5084360, 5847014, 6609668, 6878840, 8262085, 8942492, 11178115, 11694028, 13219336, 14617535, 16524170, 17884984, 22356230, 23388056, 29235070, 33048340, 38005591, 44712460, 58470140, 66096680, 76011182, 89424920, 116940280, 152022364, 190027955, 304044728, 380055910, 760111820, 1520223640]

約数ペア:

[(1, 1520223640), (2, 760111820), (4, 380055910), (5, 304044728), (8, 190027955), (10, 152022364), (13, 116940280), (17, 89424920), (20, 76011182), (23, 66096680), (26, 58470140), (34, 44712460), (40, 38005591), (46, 33048340), (52, 29235070), (65, 23388056), (68, 22356230), (85, 17884984), (92, 16524170), (104, 14617535), (115, 13219336), (130, 11694028), (136, 11178115), (170, 8942492), (184, 8262085), (221, 6878840), (230, 6609668), (260, 5847014), (299, 5084360), (340, 4471246), (391, 3888040), (442, 3439420), (460, 3304834), (520, 2923507), (598, 2542180), (680, 2235623), (782, 1944020), (884, 1719710), (920, 1652417), (1105, 1375768), (1196, 1271090), (1495, 1016872), (1564, 972010), (1768, 859855), (1955, 777608), (2210, 687884), (2392, 635545), (2990, 508436), (3128, 486005), (3910, 388804), (4420, 343942), (5083, 299080), (5980, 254218), (7477, 203320), (7820, 194402), (8840, 171971), (10166, 149540), (11960, 127109), (14954, 101660), (15640, 97201), (20332, 74770), (25415, 59816), (29908, 50830), (37385, 40664)]