251010090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1169

約数の個数: 80

約数和(自身を含む): 677445120

約数和(自身を除く): 426435030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 431, 719, 810, 862, 1293, 1438, 2155, 2157, 2586, 3595, 3879, 4310, 4314, 6465, 6471, 7190, 7758, 10785, 11637, 12930, 12942, 19395, 19413, 21570, 23274, 32355, 34911, 38790, 38826, 58185, 58239, 64710, 69822, 97065, 116370, 116478, 174555, 194130, 291195, 309889, 349110, 582390, 619778, 929667, 1549445, 1859334, 2789001, 3098890, 4648335, 5578002, 8367003, 9296670, 13945005, 16734006, 25101009, 27890010, 41835015, 50202018, 83670030, 125505045, 251010090]

約数ペア:

[(1, 251010090), (2, 125505045), (3, 83670030), (5, 50202018), (6, 41835015), (9, 27890010), (10, 25101009), (15, 16734006), (18, 13945005), (27, 9296670), (30, 8367003), (45, 5578002), (54, 4648335), (81, 3098890), (90, 2789001), (135, 1859334), (162, 1549445), (270, 929667), (405, 619778), (431, 582390), (719, 349110), (810, 309889), (862, 291195), (1293, 194130), (1438, 174555), (2155, 116478), (2157, 116370), (2586, 97065), (3595, 69822), (3879, 64710), (4310, 58239), (4314, 58185), (6465, 38826), (6471, 38790), (7190, 34911), (7758, 32355), (10785, 23274), (11637, 21570), (12930, 19413), (12942, 19395)]