75781980

素因数分解:

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

素因数の和:558

約数の個数: 144

約数和(自身を含む): 246564864

約数和(自身を除く): 170782884

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, 243, 270, 279, 310, 324, 372, 405, 465, 486, 503, 540, 558, 620, 810, 837, 930, 972, 1006, 1116, 1215, 1395, 1509, 1620, 1674, 1860, 2012, 2430, 2511, 2515, 2790, 3018, 3348, 4185, 4527, 4860, 5022, 5030, 5580, 6036, 7533, 7545, 8370, 9054, 10044, 10060, 12555, 13581, 15066, 15090, 15593, 16740, 18108, 22635, 25110, 27162, 30132, 30180, 31186, 37665, 40743, 45270, 46779, 50220, 54324, 62372, 67905, 75330, 77965, 81486, 90540, 93558, 122229, 135810, 140337, 150660, 155930, 162972, 187116, 203715, 233895, 244458, 271620, 280674, 311860, 407430, 421011, 467790, 488916, 561348, 611145, 701685, 814860, 842022, 935580, 1222290, 1263033, 1403370, 1684044, 2105055, 2444580, 2526066, 2806740, 3789099, 4210110, 5052132, 6315165, 7578198, 8420220, 12630330, 15156396, 18945495, 25260660, 37890990, 75781980]

約数ペア:

[(1, 75781980), (2, 37890990), (3, 25260660), (4, 18945495), (5, 15156396), (6, 12630330), (9, 8420220), (10, 7578198), (12, 6315165), (15, 5052132), (18, 4210110), (20, 3789099), (27, 2806740), (30, 2526066), (31, 2444580), (36, 2105055), (45, 1684044), (54, 1403370), (60, 1263033), (62, 1222290), (81, 935580), (90, 842022), (93, 814860), (108, 701685), (124, 611145), (135, 561348), (155, 488916), (162, 467790), (180, 421011), (186, 407430), (243, 311860), (270, 280674), (279, 271620), (310, 244458), (324, 233895), (372, 203715), (405, 187116), (465, 162972), (486, 155930), (503, 150660), (540, 140337), (558, 135810), (620, 122229), (810, 93558), (837, 90540), (930, 81486), (972, 77965), (1006, 75330), (1116, 67905), (1215, 62372), (1395, 54324), (1509, 50220), (1620, 46779), (1674, 45270), (1860, 40743), (2012, 37665), (2430, 31186), (2511, 30180), (2515, 30132), (2790, 27162), (3018, 25110), (3348, 22635), (4185, 18108), (4527, 16740), (4860, 15593), (5022, 15090), (5030, 15066), (5580, 13581), (6036, 12555), (7533, 10060), (7545, 10044), (8370, 9054)]