128566860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2075

約数の個数: 96

約数和(自身を含む): 382656960

約数和(自身を除く): 254090100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 222, 290, 348, 370, 435, 444, 555, 580, 740, 870, 1073, 1110, 1740, 1997, 2146, 2220, 3219, 3994, 4292, 5365, 5991, 6438, 7988, 9985, 10730, 11982, 12876, 16095, 19970, 21460, 23964, 29955, 32190, 39940, 57913, 59910, 64380, 73889, 115826, 119820, 147778, 173739, 221667, 231652, 289565, 295556, 347478, 369445, 443334, 579130, 694956, 738890, 868695, 886668, 1108335, 1158260, 1477780, 1737390, 2142781, 2216670, 3474780, 4285562, 4433340, 6428343, 8571124, 10713905, 12856686, 21427810, 25713372, 32141715, 42855620, 64283430, 128566860]

約数ペア:

[(1, 128566860), (2, 64283430), (3, 42855620), (4, 32141715), (5, 25713372), (6, 21427810), (10, 12856686), (12, 10713905), (15, 8571124), (20, 6428343), (29, 4433340), (30, 4285562), (37, 3474780), (58, 2216670), (60, 2142781), (74, 1737390), (87, 1477780), (111, 1158260), (116, 1108335), (145, 886668), (148, 868695), (174, 738890), (185, 694956), (222, 579130), (290, 443334), (348, 369445), (370, 347478), (435, 295556), (444, 289565), (555, 231652), (580, 221667), (740, 173739), (870, 147778), (1073, 119820), (1110, 115826), (1740, 73889), (1997, 64380), (2146, 59910), (2220, 57913), (3219, 39940), (3994, 32190), (4292, 29955), (5365, 23964), (5991, 21460), (6438, 19970), (7988, 16095), (9985, 12876), (10730, 11982)]