684840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 2217600

約数和(自身を除く): 1532760

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, 439, 520, 780, 878, 1317, 1560, 1756, 2195, 2634, 3512, 4390, 5268, 5707, 6585, 8780, 10536, 11414, 13170, 17121, 17560, 22828, 26340, 28535, 34242, 45656, 52680, 57070, 68484, 85605, 114140, 136968, 171210, 228280, 342420, 684840]

約数ペア:

[(1, 684840), (2, 342420), (3, 228280), (4, 171210), (5, 136968), (6, 114140), (8, 85605), (10, 68484), (12, 57070), (13, 52680), (15, 45656), (20, 34242), (24, 28535), (26, 26340), (30, 22828), (39, 17560), (40, 17121), (52, 13170), (60, 11414), (65, 10536), (78, 8780), (104, 6585), (120, 5707), (130, 5268), (156, 4390), (195, 3512), (260, 2634), (312, 2195), (390, 1756), (439, 1560), (520, 1317), (780, 878)]