28530840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18289}}^1$

素因数の和:18316

約数の個数: 64

約数和(自身を含む): 92181600

約数和(自身を除く): 63650760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18289, 36578, 54867, 73156, 91445, 109734, 146312, 182890, 219468, 237757, 274335, 365780, 438936, 475514, 548670, 713271, 731560, 951028, 1097340, 1188785, 1426542, 1902056, 2194680, 2377570, 2853084, 3566355, 4755140, 5706168, 7132710, 9510280, 14265420, 28530840]

約数ペア:

[(1, 28530840), (2, 14265420), (3, 9510280), (4, 7132710), (5, 5706168), (6, 4755140), (8, 3566355), (10, 2853084), (12, 2377570), (13, 2194680), (15, 1902056), (20, 1426542), (24, 1188785), (26, 1097340), (30, 951028), (39, 731560), (40, 713271), (52, 548670), (60, 475514), (65, 438936), (78, 365780), (104, 274335), (120, 237757), (130, 219468), (156, 182890), (195, 146312), (260, 109734), (312, 91445), (390, 73156), (520, 54867), (780, 36578), (1560, 18289)]