688202320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{28771}}^1$

素因数の和:28820

約数の個数: 80

約数和(自身を含む): 1798134912

約数和(自身を除く): 1109932592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 28771, 57542, 115084, 143855, 230168, 287710, 374023, 460336, 575420, 661733, 748046, 1150840, 1323466, 1496092, 1870115, 2301680, 2646932, 2992184, 3308665, 3740230, 5293864, 5984368, 6617330, 7480460, 8602529, 10587728, 13234660, 14960920, 17205058, 26469320, 29921840, 34410116, 43012645, 52938640, 68820232, 86025290, 137640464, 172050580, 344101160, 688202320]

約数ペア:

[(1, 688202320), (2, 344101160), (4, 172050580), (5, 137640464), (8, 86025290), (10, 68820232), (13, 52938640), (16, 43012645), (20, 34410116), (23, 29921840), (26, 26469320), (40, 17205058), (46, 14960920), (52, 13234660), (65, 10587728), (80, 8602529), (92, 7480460), (104, 6617330), (115, 5984368), (130, 5293864), (184, 3740230), (208, 3308665), (230, 2992184), (260, 2646932), (299, 2301680), (368, 1870115), (460, 1496092), (520, 1323466), (598, 1150840), (920, 748046), (1040, 661733), (1196, 575420), (1495, 460336), (1840, 374023), (2392, 287710), (2990, 230168), (4784, 143855), (5980, 115084), (11960, 57542), (23920, 28771)]