28026960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:733

約数の個数: 120

約数和(自身を含む): 94217184

約数和(自身を除く): 66190224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 691, 780, 845, 1014, 1040, 1352, 1382, 1560, 1690, 2028, 2073, 2535, 2704, 2764, 3120, 3380, 3455, 4056, 4146, 5070, 5528, 6760, 6910, 8112, 8292, 8983, 10140, 10365, 11056, 13520, 13820, 16584, 17966, 20280, 20730, 26949, 27640, 33168, 35932, 40560, 41460, 44915, 53898, 55280, 71864, 82920, 89830, 107796, 116779, 134745, 143728, 165840, 179660, 215592, 233558, 269490, 350337, 359320, 431184, 467116, 538980, 583895, 700674, 718640, 934232, 1077960, 1167790, 1401348, 1751685, 1868464, 2155920, 2335580, 2802696, 3503370, 4671160, 5605392, 7006740, 9342320, 14013480, 28026960]

約数ペア:

[(1, 28026960), (2, 14013480), (3, 9342320), (4, 7006740), (5, 5605392), (6, 4671160), (8, 3503370), (10, 2802696), (12, 2335580), (13, 2155920), (15, 1868464), (16, 1751685), (20, 1401348), (24, 1167790), (26, 1077960), (30, 934232), (39, 718640), (40, 700674), (48, 583895), (52, 538980), (60, 467116), (65, 431184), (78, 359320), (80, 350337), (104, 269490), (120, 233558), (130, 215592), (156, 179660), (169, 165840), (195, 143728), (208, 134745), (240, 116779), (260, 107796), (312, 89830), (338, 82920), (390, 71864), (507, 55280), (520, 53898), (624, 44915), (676, 41460), (691, 40560), (780, 35932), (845, 33168), (1014, 27640), (1040, 26949), (1352, 20730), (1382, 20280), (1560, 17966), (1690, 16584), (2028, 13820), (2073, 13520), (2535, 11056), (2704, 10365), (2764, 10140), (3120, 8983), (3380, 8292), (3455, 8112), (4056, 6910), (4146, 6760), (5070, 5528)]