821271240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61657}}^1$

素因数の和:61711

約数の個数: 96

約数和(自身を含む): 2741314680

約数和(自身を除く): 1920043440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2220, 2664, 3330, 4440, 6660, 13320, 61657, 123314, 184971, 246628, 308285, 369942, 493256, 554913, 616570, 739884, 924855, 1109826, 1233140, 1479768, 1849710, 2219652, 2281309, 2466280, 2774565, 3699420, 4439304, 4562618, 5549130, 6843927, 7398840, 9125236, 11098260, 11406545, 13687854, 18250472, 20531781, 22196520, 22813090, 27375708, 34219635, 41063562, 45626180, 54751416, 68439270, 82127124, 91252360, 102658905, 136878540, 164254248, 205317810, 273757080, 410635620, 821271240]

約数ペア:

[(1, 821271240), (2, 410635620), (3, 273757080), (4, 205317810), (5, 164254248), (6, 136878540), (8, 102658905), (9, 91252360), (10, 82127124), (12, 68439270), (15, 54751416), (18, 45626180), (20, 41063562), (24, 34219635), (30, 27375708), (36, 22813090), (37, 22196520), (40, 20531781), (45, 18250472), (60, 13687854), (72, 11406545), (74, 11098260), (90, 9125236), (111, 7398840), (120, 6843927), (148, 5549130), (180, 4562618), (185, 4439304), (222, 3699420), (296, 2774565), (333, 2466280), (360, 2281309), (370, 2219652), (444, 1849710), (555, 1479768), (666, 1233140), (740, 1109826), (888, 924855), (1110, 739884), (1332, 616570), (1480, 554913), (1665, 493256), (2220, 369942), (2664, 308285), (3330, 246628), (4440, 184971), (6660, 123314), (13320, 61657)]