128373720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1077

約数の個数: 128

約数和(自身を含む): 409579200

約数和(自身を除く): 281205480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 290, 296, 348, 370, 435, 444, 555, 580, 696, 740, 870, 888, 997, 1073, 1110, 1160, 1480, 1740, 1994, 2146, 2220, 2991, 3219, 3480, 3988, 4292, 4440, 4985, 5365, 5982, 6438, 7976, 8584, 9970, 10730, 11964, 12876, 14955, 16095, 19940, 21460, 23928, 25752, 28913, 29910, 32190, 36889, 39880, 42920, 57826, 59820, 64380, 73778, 86739, 110667, 115652, 119640, 128760, 144565, 147556, 173478, 184445, 221334, 231304, 289130, 295112, 346956, 368890, 433695, 442668, 553335, 578260, 693912, 737780, 867390, 885336, 1069781, 1106670, 1156520, 1475560, 1734780, 2139562, 2213340, 3209343, 3469560, 4279124, 4426680, 5348905, 6418686, 8558248, 10697810, 12837372, 16046715, 21395620, 25674744, 32093430, 42791240, 64186860, 128373720]

約数ペア:

[(1, 128373720), (2, 64186860), (3, 42791240), (4, 32093430), (5, 25674744), (6, 21395620), (8, 16046715), (10, 12837372), (12, 10697810), (15, 8558248), (20, 6418686), (24, 5348905), (29, 4426680), (30, 4279124), (37, 3469560), (40, 3209343), (58, 2213340), (60, 2139562), (74, 1734780), (87, 1475560), (111, 1156520), (116, 1106670), (120, 1069781), (145, 885336), (148, 867390), (174, 737780), (185, 693912), (222, 578260), (232, 553335), (290, 442668), (296, 433695), (348, 368890), (370, 346956), (435, 295112), (444, 289130), (555, 231304), (580, 221334), (696, 184445), (740, 173478), (870, 147556), (888, 144565), (997, 128760), (1073, 119640), (1110, 115652), (1160, 110667), (1480, 86739), (1740, 73778), (1994, 64380), (2146, 59820), (2220, 57826), (2991, 42920), (3219, 39880), (3480, 36889), (3988, 32190), (4292, 29910), (4440, 28913), (4985, 25752), (5365, 23928), (5982, 21460), (6438, 19940), (7976, 16095), (8584, 14955), (9970, 12876), (10730, 11964)]