291209220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7127}}^1$

素因数の和:7369

約数の個数: 72

約数和(自身を含む): 887350464

約数和(自身を除く): 596141244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2043, 2270, 2724, 3405, 4086, 4540, 6810, 7127, 8172, 10215, 13620, 14254, 20430, 21381, 28508, 35635, 40860, 42762, 64143, 71270, 85524, 106905, 128286, 142540, 213810, 256572, 320715, 427620, 641430, 1282860, 1617829, 3235658, 4853487, 6471316, 8089145, 9706974, 14560461, 16178290, 19413948, 24267435, 29120922, 32356580, 48534870, 58241844, 72802305, 97069740, 145604610, 291209220]

約数ペア:

[(1, 291209220), (2, 145604610), (3, 97069740), (4, 72802305), (5, 58241844), (6, 48534870), (9, 32356580), (10, 29120922), (12, 24267435), (15, 19413948), (18, 16178290), (20, 14560461), (30, 9706974), (36, 8089145), (45, 6471316), (60, 4853487), (90, 3235658), (180, 1617829), (227, 1282860), (454, 641430), (681, 427620), (908, 320715), (1135, 256572), (1362, 213810), (2043, 142540), (2270, 128286), (2724, 106905), (3405, 85524), (4086, 71270), (4540, 64143), (6810, 42762), (7127, 40860), (8172, 35635), (10215, 28508), (13620, 21381), (14254, 20430)]