7289920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 112

約数和(自身を含む): 20116800

約数和(自身を除く): 12826880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 109, 110, 152, 160, 176, 190, 209, 218, 220, 304, 320, 352, 380, 418, 436, 440, 545, 608, 704, 760, 836, 872, 880, 1045, 1090, 1199, 1216, 1520, 1672, 1744, 1760, 2071, 2090, 2180, 2398, 3040, 3344, 3488, 3520, 4142, 4180, 4360, 4796, 5995, 6080, 6688, 6976, 8284, 8360, 8720, 9592, 10355, 11990, 13376, 16568, 16720, 17440, 19184, 20710, 22781, 23980, 33136, 33440, 34880, 38368, 41420, 45562, 47960, 66272, 66880, 76736, 82840, 91124, 95920, 113905, 132544, 165680, 182248, 191840, 227810, 331360, 364496, 383680, 455620, 662720, 728992, 911240, 1457984, 1822480, 3644960, 7289920]

約数ペア:

[(1, 7289920), (2, 3644960), (4, 1822480), (5, 1457984), (8, 911240), (10, 728992), (11, 662720), (16, 455620), (19, 383680), (20, 364496), (22, 331360), (32, 227810), (38, 191840), (40, 182248), (44, 165680), (55, 132544), (64, 113905), (76, 95920), (80, 91124), (88, 82840), (95, 76736), (109, 66880), (110, 66272), (152, 47960), (160, 45562), (176, 41420), (190, 38368), (209, 34880), (218, 33440), (220, 33136), (304, 23980), (320, 22781), (352, 20710), (380, 19184), (418, 17440), (436, 16720), (440, 16568), (545, 13376), (608, 11990), (704, 10355), (760, 9592), (836, 8720), (872, 8360), (880, 8284), (1045, 6976), (1090, 6688), (1199, 6080), (1216, 5995), (1520, 4796), (1672, 4360), (1744, 4180), (1760, 4142), (2071, 3520), (2090, 3488), (2180, 3344), (2398, 3040)]