259494560

素因数分解:

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

素因数の和:1810

約数の個数: 96

約数和(自身を含む): 669649680

約数和(自身を除く): 410155120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 73, 80, 104, 130, 146, 160, 208, 260, 292, 365, 416, 520, 584, 730, 949, 1040, 1168, 1460, 1709, 1898, 2080, 2336, 2920, 3418, 3796, 4745, 5840, 6836, 7592, 8545, 9490, 11680, 13672, 15184, 17090, 18980, 22217, 27344, 30368, 34180, 37960, 44434, 54688, 68360, 75920, 88868, 111085, 124757, 136720, 151840, 177736, 222170, 249514, 273440, 355472, 444340, 499028, 623785, 710944, 888680, 998056, 1247570, 1621841, 1777360, 1996112, 2495140, 3243682, 3554720, 3992224, 4990280, 6487364, 8109205, 9980560, 12974728, 16218410, 19961120, 25949456, 32436820, 51898912, 64873640, 129747280, 259494560]

約数ペア:

[(1, 259494560), (2, 129747280), (4, 64873640), (5, 51898912), (8, 32436820), (10, 25949456), (13, 19961120), (16, 16218410), (20, 12974728), (26, 9980560), (32, 8109205), (40, 6487364), (52, 4990280), (65, 3992224), (73, 3554720), (80, 3243682), (104, 2495140), (130, 1996112), (146, 1777360), (160, 1621841), (208, 1247570), (260, 998056), (292, 888680), (365, 710944), (416, 623785), (520, 499028), (584, 444340), (730, 355472), (949, 273440), (1040, 249514), (1168, 222170), (1460, 177736), (1709, 151840), (1898, 136720), (2080, 124757), (2336, 111085), (2920, 88868), (3418, 75920), (3796, 68360), (4745, 54688), (5840, 44434), (6836, 37960), (7592, 34180), (8545, 30368), (9490, 27344), (11680, 22217), (13672, 18980), (15184, 17090)]