905221120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7687}}^1$

素因数の和:7735

約数の個数: 88

約数和(自身を含む): 2266176384

約数和(自身を除く): 1360955264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1024, 1280, 1472, 1840, 2560, 2944, 3680, 5120, 5888, 7360, 7687, 11776, 14720, 15374, 23552, 29440, 30748, 38435, 58880, 61496, 76870, 117760, 122992, 153740, 176801, 245984, 307480, 353602, 491968, 614960, 707204, 884005, 983936, 1229920, 1414408, 1768010, 1967872, 2459840, 2828816, 3536020, 3935744, 4919680, 5657632, 7072040, 7871488, 9839360, 11315264, 14144080, 19678720, 22630528, 28288160, 39357440, 45261056, 56576320, 90522112, 113152640, 181044224, 226305280, 452610560, 905221120]

約数ペア:

[(1, 905221120), (2, 452610560), (4, 226305280), (5, 181044224), (8, 113152640), (10, 90522112), (16, 56576320), (20, 45261056), (23, 39357440), (32, 28288160), (40, 22630528), (46, 19678720), (64, 14144080), (80, 11315264), (92, 9839360), (115, 7871488), (128, 7072040), (160, 5657632), (184, 4919680), (230, 3935744), (256, 3536020), (320, 2828816), (368, 2459840), (460, 1967872), (512, 1768010), (640, 1414408), (736, 1229920), (920, 983936), (1024, 884005), (1280, 707204), (1472, 614960), (1840, 491968), (2560, 353602), (2944, 307480), (3680, 245984), (5120, 176801), (5888, 153740), (7360, 122992), (7687, 117760), (11776, 76870), (14720, 61496), (15374, 58880), (23552, 38435), (29440, 30748)]