64047280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1094

約数の個数: 80

約数和(自身を含む): 164837664

約数和(自身を除く): 100790384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 997, 1168, 1460, 1606, 1994, 2920, 3212, 3988, 4015, 4985, 5840, 6424, 7976, 8030, 9970, 10967, 12848, 15952, 16060, 19940, 21934, 32120, 39880, 43868, 54835, 64240, 72781, 79760, 87736, 109670, 145562, 175472, 219340, 291124, 363905, 438680, 582248, 727810, 800591, 877360, 1164496, 1455620, 1601182, 2911240, 3202364, 4002955, 5822480, 6404728, 8005910, 12809456, 16011820, 32023640, 64047280]

約数ペア:

[(1, 64047280), (2, 32023640), (4, 16011820), (5, 12809456), (8, 8005910), (10, 6404728), (11, 5822480), (16, 4002955), (20, 3202364), (22, 2911240), (40, 1601182), (44, 1455620), (55, 1164496), (73, 877360), (80, 800591), (88, 727810), (110, 582248), (146, 438680), (176, 363905), (220, 291124), (292, 219340), (365, 175472), (440, 145562), (584, 109670), (730, 87736), (803, 79760), (880, 72781), (997, 64240), (1168, 54835), (1460, 43868), (1606, 39880), (1994, 32120), (2920, 21934), (3212, 19940), (3988, 16060), (4015, 15952), (4985, 12848), (5840, 10967), (6424, 9970), (7976, 8030)]