67664920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 156492000

約数和(自身を除く): 88827080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 89, 166, 178, 229, 332, 356, 415, 445, 458, 664, 712, 830, 890, 916, 1145, 1660, 1780, 1832, 2290, 3320, 3560, 4580, 7387, 9160, 14774, 19007, 20381, 29548, 36935, 38014, 40762, 59096, 73870, 76028, 81524, 95035, 101905, 147740, 152056, 163048, 190070, 203810, 295480, 380140, 407620, 760280, 815240, 1691623, 3383246, 6766492, 8458115, 13532984, 16916230, 33832460, 67664920]

約数ペア:

[(1, 67664920), (2, 33832460), (4, 16916230), (5, 13532984), (8, 8458115), (10, 6766492), (20, 3383246), (40, 1691623), (83, 815240), (89, 760280), (166, 407620), (178, 380140), (229, 295480), (332, 203810), (356, 190070), (415, 163048), (445, 152056), (458, 147740), (664, 101905), (712, 95035), (830, 81524), (890, 76028), (916, 73870), (1145, 59096), (1660, 40762), (1780, 38014), (1832, 36935), (2290, 29548), (3320, 20381), (3560, 19007), (4580, 14774), (7387, 9160)]