165091640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2467}}^1$

素因数の和:2724

約数の個数: 64

約数和(自身を含む): 426470400

約数和(自身を除く): 261378760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 2467, 3346, 4780, 4934, 6692, 8365, 9560, 9868, 12335, 13384, 16730, 17269, 19736, 24670, 33460, 34538, 49340, 66920, 69076, 86345, 98680, 138152, 172690, 345380, 589613, 690760, 1179226, 2358452, 2948065, 4127291, 4716904, 5896130, 8254582, 11792260, 16509164, 20636455, 23584520, 33018328, 41272910, 82545820, 165091640]

約数ペア:

[(1, 165091640), (2, 82545820), (4, 41272910), (5, 33018328), (7, 23584520), (8, 20636455), (10, 16509164), (14, 11792260), (20, 8254582), (28, 5896130), (35, 4716904), (40, 4127291), (56, 2948065), (70, 2358452), (140, 1179226), (239, 690760), (280, 589613), (478, 345380), (956, 172690), (1195, 138152), (1673, 98680), (1912, 86345), (2390, 69076), (2467, 66920), (3346, 49340), (4780, 34538), (4934, 33460), (6692, 24670), (8365, 19736), (9560, 17269), (9868, 16730), (12335, 13384)]