920480520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1$

素因数の和:1103

約数の個数: 128

約数和(自身を含む): 2862720000

約数和(自身を除く): 1942239480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 349, 372, 465, 620, 698, 709, 744, 930, 1047, 1240, 1396, 1418, 1745, 1860, 2094, 2127, 2792, 2836, 3490, 3545, 3720, 4188, 4254, 5235, 5672, 6980, 7090, 8376, 8508, 10470, 10635, 10819, 13960, 14180, 17016, 20940, 21270, 21638, 21979, 28360, 32457, 41880, 42540, 43276, 43958, 54095, 64914, 65937, 85080, 86552, 87916, 108190, 109895, 129828, 131874, 162285, 175832, 216380, 219790, 247441, 259656, 263748, 324570, 329685, 432760, 439580, 494882, 527496, 649140, 659370, 742323, 879160, 989764, 1237205, 1298280, 1318740, 1484646, 1979528, 2474410, 2637480, 2969292, 3711615, 4948820, 5938584, 7423230, 7670671, 9897640, 14846460, 15341342, 23012013, 29692920, 30682684, 38353355, 46024026, 61365368, 76706710, 92048052, 115060065, 153413420, 184096104, 230120130, 306826840, 460240260, 920480520]

約数ペア:

[(1, 920480520), (2, 460240260), (3, 306826840), (4, 230120130), (5, 184096104), (6, 153413420), (8, 115060065), (10, 92048052), (12, 76706710), (15, 61365368), (20, 46024026), (24, 38353355), (30, 30682684), (31, 29692920), (40, 23012013), (60, 15341342), (62, 14846460), (93, 9897640), (120, 7670671), (124, 7423230), (155, 5938584), (186, 4948820), (248, 3711615), (310, 2969292), (349, 2637480), (372, 2474410), (465, 1979528), (620, 1484646), (698, 1318740), (709, 1298280), (744, 1237205), (930, 989764), (1047, 879160), (1240, 742323), (1396, 659370), (1418, 649140), (1745, 527496), (1860, 494882), (2094, 439580), (2127, 432760), (2792, 329685), (2836, 324570), (3490, 263748), (3545, 259656), (3720, 247441), (4188, 219790), (4254, 216380), (5235, 175832), (5672, 162285), (6980, 131874), (7090, 129828), (8376, 109895), (8508, 108190), (10470, 87916), (10635, 86552), (10819, 85080), (13960, 65937), (14180, 64914), (17016, 54095), (20940, 43958), (21270, 43276), (21638, 42540), (21979, 41880), (28360, 32457)]