8722740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 26925696

約数和(自身を除く): 18202956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 211, 212, 260, 265, 318, 390, 422, 530, 633, 636, 689, 780, 795, 844, 1055, 1060, 1266, 1378, 1590, 2067, 2110, 2532, 2743, 2756, 3165, 3180, 3445, 4134, 4220, 5486, 6330, 6890, 8229, 8268, 10335, 10972, 11183, 12660, 13715, 13780, 16458, 20670, 22366, 27430, 32916, 33549, 41145, 41340, 44732, 54860, 55915, 67098, 82290, 111830, 134196, 145379, 164580, 167745, 223660, 290758, 335490, 436137, 581516, 670980, 726895, 872274, 1453790, 1744548, 2180685, 2907580, 4361370, 8722740]

約数ペア:

[(1, 8722740), (2, 4361370), (3, 2907580), (4, 2180685), (5, 1744548), (6, 1453790), (10, 872274), (12, 726895), (13, 670980), (15, 581516), (20, 436137), (26, 335490), (30, 290758), (39, 223660), (52, 167745), (53, 164580), (60, 145379), (65, 134196), (78, 111830), (106, 82290), (130, 67098), (156, 55915), (159, 54860), (195, 44732), (211, 41340), (212, 41145), (260, 33549), (265, 32916), (318, 27430), (390, 22366), (422, 20670), (530, 16458), (633, 13780), (636, 13715), (689, 12660), (780, 11183), (795, 10972), (844, 10335), (1055, 8268), (1060, 8229), (1266, 6890), (1378, 6330), (1590, 5486), (2067, 4220), (2110, 4134), (2532, 3445), (2743, 3180), (2756, 3165)]