217756860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{68477}}^1$

素因数の和:68542

約数の個数: 48

約数和(自身を含む): 621232416

約数和(自身を除く): 403475556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 68477, 136954, 205431, 273908, 342385, 410862, 684770, 821724, 1027155, 1369540, 2054310, 3629281, 4108620, 7258562, 10887843, 14517124, 18146405, 21775686, 36292810, 43551372, 54439215, 72585620, 108878430, 217756860]

約数ペア:

[(1, 217756860), (2, 108878430), (3, 72585620), (4, 54439215), (5, 43551372), (6, 36292810), (10, 21775686), (12, 18146405), (15, 14517124), (20, 10887843), (30, 7258562), (53, 4108620), (60, 3629281), (106, 2054310), (159, 1369540), (212, 1027155), (265, 821724), (318, 684770), (530, 410862), (636, 342385), (795, 273908), (1060, 205431), (1590, 136954), (3180, 68477)]