2880280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4377320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 191, 232, 260, 290, 377, 382, 520, 580, 754, 764, 955, 1160, 1508, 1528, 1885, 1910, 2483, 3016, 3770, 3820, 4966, 5539, 7540, 7640, 9932, 11078, 12415, 15080, 19864, 22156, 24830, 27695, 44312, 49660, 55390, 72007, 99320, 110780, 144014, 221560, 288028, 360035, 576056, 720070, 1440140, 2880280]

約数ペア:

[(1, 2880280), (2, 1440140), (4, 720070), (5, 576056), (8, 360035), (10, 288028), (13, 221560), (20, 144014), (26, 110780), (29, 99320), (40, 72007), (52, 55390), (58, 49660), (65, 44312), (104, 27695), (116, 24830), (130, 22156), (145, 19864), (191, 15080), (232, 12415), (260, 11078), (290, 9932), (377, 7640), (382, 7540), (520, 5539), (580, 4966), (754, 3820), (764, 3770), (955, 3016), (1160, 2483), (1508, 1910), (1528, 1885)]