664560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 2437344

約数和(自身を除く): 1772784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 71, 72, 78, 80, 90, 104, 117, 120, 130, 142, 144, 156, 180, 195, 208, 213, 234, 240, 260, 284, 312, 355, 360, 390, 426, 468, 520, 568, 585, 624, 639, 710, 720, 780, 852, 923, 936, 1040, 1065, 1136, 1170, 1278, 1420, 1560, 1704, 1846, 1872, 2130, 2340, 2556, 2769, 2840, 3120, 3195, 3408, 3692, 4260, 4615, 4680, 5112, 5538, 5680, 6390, 7384, 8307, 8520, 9230, 9360, 10224, 11076, 12780, 13845, 14768, 16614, 17040, 18460, 22152, 25560, 27690, 33228, 36920, 41535, 44304, 51120, 55380, 66456, 73840, 83070, 110760, 132912, 166140, 221520, 332280, 664560]

約数ペア:

[(1, 664560), (2, 332280), (3, 221520), (4, 166140), (5, 132912), (6, 110760), (8, 83070), (9, 73840), (10, 66456), (12, 55380), (13, 51120), (15, 44304), (16, 41535), (18, 36920), (20, 33228), (24, 27690), (26, 25560), (30, 22152), (36, 18460), (39, 17040), (40, 16614), (45, 14768), (48, 13845), (52, 12780), (60, 11076), (65, 10224), (71, 9360), (72, 9230), (78, 8520), (80, 8307), (90, 7384), (104, 6390), (117, 5680), (120, 5538), (130, 5112), (142, 4680), (144, 4615), (156, 4260), (180, 3692), (195, 3408), (208, 3195), (213, 3120), (234, 2840), (240, 2769), (260, 2556), (284, 2340), (312, 2130), (355, 1872), (360, 1846), (390, 1704), (426, 1560), (468, 1420), (520, 1278), (568, 1170), (585, 1136), (624, 1065), (639, 1040), (710, 936), (720, 923), (780, 852)]