129747280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1808

約数の個数: 80

約数和(自身を含む): 329510160

約数和(自身を除く): 199762880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 949, 1040, 1168, 1460, 1709, 1898, 2920, 3418, 3796, 4745, 5840, 6836, 7592, 8545, 9490, 13672, 15184, 17090, 18980, 22217, 27344, 34180, 37960, 44434, 68360, 75920, 88868, 111085, 124757, 136720, 177736, 222170, 249514, 355472, 444340, 499028, 623785, 888680, 998056, 1247570, 1621841, 1777360, 1996112, 2495140, 3243682, 4990280, 6487364, 8109205, 9980560, 12974728, 16218410, 25949456, 32436820, 64873640, 129747280]

約数ペア:

[(1, 129747280), (2, 64873640), (4, 32436820), (5, 25949456), (8, 16218410), (10, 12974728), (13, 9980560), (16, 8109205), (20, 6487364), (26, 4990280), (40, 3243682), (52, 2495140), (65, 1996112), (73, 1777360), (80, 1621841), (104, 1247570), (130, 998056), (146, 888680), (208, 623785), (260, 499028), (292, 444340), (365, 355472), (520, 249514), (584, 222170), (730, 177736), (949, 136720), (1040, 124757), (1168, 111085), (1460, 88868), (1709, 75920), (1898, 68360), (2920, 44434), (3418, 37960), (3796, 34180), (4745, 27344), (5840, 22217), (6836, 18980), (7592, 17090), (8545, 15184), (9490, 13672)]