51485220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 120

約数和(自身を含む): 164473848

約数和(自身を除く): 112988628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 521, 540, 549, 610, 732, 810, 915, 1042, 1098, 1220, 1563, 1620, 1647, 1830, 2084, 2196, 2605, 2745, 3126, 3294, 3660, 4689, 4941, 5210, 5490, 6252, 6588, 7815, 8235, 9378, 9882, 10420, 10980, 14067, 15630, 16470, 18756, 19764, 23445, 24705, 28134, 31260, 31781, 32940, 42201, 46890, 49410, 56268, 63562, 70335, 84402, 93780, 95343, 98820, 127124, 140670, 158905, 168804, 190686, 211005, 281340, 286029, 317810, 381372, 422010, 476715, 572058, 635620, 844020, 858087, 953430, 1144116, 1430145, 1716174, 1906860, 2574261, 2860290, 3432348, 4290435, 5148522, 5720580, 8580870, 10297044, 12871305, 17161740, 25742610, 51485220]

約数ペア:

[(1, 51485220), (2, 25742610), (3, 17161740), (4, 12871305), (5, 10297044), (6, 8580870), (9, 5720580), (10, 5148522), (12, 4290435), (15, 3432348), (18, 2860290), (20, 2574261), (27, 1906860), (30, 1716174), (36, 1430145), (45, 1144116), (54, 953430), (60, 858087), (61, 844020), (81, 635620), (90, 572058), (108, 476715), (122, 422010), (135, 381372), (162, 317810), (180, 286029), (183, 281340), (244, 211005), (270, 190686), (305, 168804), (324, 158905), (366, 140670), (405, 127124), (521, 98820), (540, 95343), (549, 93780), (610, 84402), (732, 70335), (810, 63562), (915, 56268), (1042, 49410), (1098, 46890), (1220, 42201), (1563, 32940), (1620, 31781), (1647, 31260), (1830, 28134), (2084, 24705), (2196, 23445), (2605, 19764), (2745, 18756), (3126, 16470), (3294, 15630), (3660, 14067), (4689, 10980), (4941, 10420), (5210, 9882), (5490, 9378), (6252, 8235), (6588, 7815)]