660734520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{77551}}^1$

素因数の和:77636

約数の個数: 64

約数和(自身を含む): 2010147840

約数和(自身を除く): 1349413320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 77551, 155102, 232653, 310204, 387755, 465306, 620408, 775510, 930612, 1163265, 1551020, 1861224, 2326530, 3102040, 4653060, 5506121, 9306120, 11012242, 16518363, 22024484, 27530605, 33036726, 44048968, 55061210, 66073452, 82591815, 110122420, 132146904, 165183630, 220244840, 330367260, 660734520]

約数ペア:

[(1, 660734520), (2, 330367260), (3, 220244840), (4, 165183630), (5, 132146904), (6, 110122420), (8, 82591815), (10, 66073452), (12, 55061210), (15, 44048968), (20, 33036726), (24, 27530605), (30, 22024484), (40, 16518363), (60, 11012242), (71, 9306120), (120, 5506121), (142, 4653060), (213, 3102040), (284, 2326530), (355, 1861224), (426, 1551020), (568, 1163265), (710, 930612), (852, 775510), (1065, 620408), (1420, 465306), (1704, 387755), (2130, 310204), (2840, 232653), (4260, 155102), (8520, 77551)]