1277153940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{21787}}^1$

素因数の和:22776

約数の個数: 48

約数和(自身を含む): 3579855552

約数和(自身を除く): 2302701612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 977, 1954, 2931, 3908, 4885, 5862, 9770, 11724, 14655, 19540, 21787, 29310, 43574, 58620, 65361, 87148, 108935, 130722, 217870, 261444, 326805, 435740, 653610, 1307220, 21285899, 42571798, 63857697, 85143596, 106429495, 127715394, 212858990, 255430788, 319288485, 425717980, 638576970, 1277153940]

約数ペア:

[(1, 1277153940), (2, 638576970), (3, 425717980), (4, 319288485), (5, 255430788), (6, 212858990), (10, 127715394), (12, 106429495), (15, 85143596), (20, 63857697), (30, 42571798), (60, 21285899), (977, 1307220), (1954, 653610), (2931, 435740), (3908, 326805), (4885, 261444), (5862, 217870), (9770, 130722), (11724, 108935), (14655, 87148), (19540, 65361), (21787, 58620), (29310, 43574)]