25260660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:555

約数の個数: 120

約数和(自身を含む): 81962496

約数和(自身を除く): 56701836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 503, 540, 558, 620, 810, 837, 930, 1006, 1116, 1395, 1509, 1620, 1674, 1860, 2012, 2511, 2515, 2790, 3018, 3348, 4185, 4527, 5022, 5030, 5580, 6036, 7545, 8370, 9054, 10044, 10060, 12555, 13581, 15090, 15593, 16740, 18108, 22635, 25110, 27162, 30180, 31186, 40743, 45270, 46779, 50220, 54324, 62372, 67905, 77965, 81486, 90540, 93558, 135810, 140337, 155930, 162972, 187116, 203715, 233895, 271620, 280674, 311860, 407430, 421011, 467790, 561348, 701685, 814860, 842022, 935580, 1263033, 1403370, 1684044, 2105055, 2526066, 2806740, 4210110, 5052132, 6315165, 8420220, 12630330, 25260660]

約数ペア:

[(1, 25260660), (2, 12630330), (3, 8420220), (4, 6315165), (5, 5052132), (6, 4210110), (9, 2806740), (10, 2526066), (12, 2105055), (15, 1684044), (18, 1403370), (20, 1263033), (27, 935580), (30, 842022), (31, 814860), (36, 701685), (45, 561348), (54, 467790), (60, 421011), (62, 407430), (81, 311860), (90, 280674), (93, 271620), (108, 233895), (124, 203715), (135, 187116), (155, 162972), (162, 155930), (180, 140337), (186, 135810), (270, 93558), (279, 90540), (310, 81486), (324, 77965), (372, 67905), (405, 62372), (465, 54324), (503, 50220), (540, 46779), (558, 45270), (620, 40743), (810, 31186), (837, 30180), (930, 27162), (1006, 25110), (1116, 22635), (1395, 18108), (1509, 16740), (1620, 15593), (1674, 15090), (1860, 13581), (2012, 12555), (2511, 10060), (2515, 10044), (2790, 9054), (3018, 8370), (3348, 7545), (4185, 6036), (4527, 5580), (5022, 5030)]