81755899740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{902981}}^1$

素因数の和:903499

約数の個数: 72

約数和(自身を含む): 248486198688

約数和(自身を除く): 166730298948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 1006, 1509, 2012, 2515, 3018, 4527, 5030, 6036, 7545, 9054, 10060, 15090, 18108, 22635, 30180, 45270, 90540, 902981, 1805962, 2708943, 3611924, 4514905, 5417886, 8126829, 9029810, 10835772, 13544715, 16253658, 18059620, 27089430, 32507316, 40634145, 54178860, 81268290, 162536580, 454199443, 908398886, 1362598329, 1816797772, 2270997215, 2725196658, 4087794987, 4541994430, 5450393316, 6812991645, 8175589974, 9083988860, 13625983290, 16351179948, 20438974935, 27251966580, 40877949870, 81755899740]

約数ペア:

[(1, 81755899740), (2, 40877949870), (3, 27251966580), (4, 20438974935), (5, 16351179948), (6, 13625983290), (9, 9083988860), (10, 8175589974), (12, 6812991645), (15, 5450393316), (18, 4541994430), (20, 4087794987), (30, 2725196658), (36, 2270997215), (45, 1816797772), (60, 1362598329), (90, 908398886), (180, 454199443), (503, 162536580), (1006, 81268290), (1509, 54178860), (2012, 40634145), (2515, 32507316), (3018, 27089430), (4527, 18059620), (5030, 16253658), (6036, 13544715), (7545, 10835772), (9054, 9029810), (10060, 8126829), (15090, 5417886), (18108, 4514905), (22635, 3611924), (30180, 2708943), (45270, 1805962), (90540, 902981)]