217772640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3517}}^1$

素因数の和:3581

約数の個数: 144

約数和(自身を含む): 760647888

約数和(自身を除く): 542875248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3517, 3870, 4128, 5160, 6192, 6880, 7034, 7740, 10320, 10551, 12384, 14068, 15480, 17585, 20640, 21102, 28136, 30960, 31653, 35170, 42204, 52755, 56272, 61920, 63306, 70340, 84408, 105510, 112544, 126612, 140680, 151231, 158265, 168816, 211020, 253224, 281360, 302462, 316530, 337632, 422040, 453693, 506448, 562720, 604924, 633060, 756155, 844080, 907386, 1012896, 1209848, 1266120, 1361079, 1512310, 1688160, 1814772, 2268465, 2419696, 2532240, 2722158, 3024620, 3629544, 4536930, 4839392, 5064480, 5444316, 6049240, 6805395, 7259088, 9073860, 10888632, 12098480, 13610790, 14518176, 18147720, 21777264, 24196960, 27221580, 36295440, 43554528, 54443160, 72590880, 108886320, 217772640]

約数ペア:

[(1, 217772640), (2, 108886320), (3, 72590880), (4, 54443160), (5, 43554528), (6, 36295440), (8, 27221580), (9, 24196960), (10, 21777264), (12, 18147720), (15, 14518176), (16, 13610790), (18, 12098480), (20, 10888632), (24, 9073860), (30, 7259088), (32, 6805395), (36, 6049240), (40, 5444316), (43, 5064480), (45, 4839392), (48, 4536930), (60, 3629544), (72, 3024620), (80, 2722158), (86, 2532240), (90, 2419696), (96, 2268465), (120, 1814772), (129, 1688160), (144, 1512310), (160, 1361079), (172, 1266120), (180, 1209848), (215, 1012896), (240, 907386), (258, 844080), (288, 756155), (344, 633060), (360, 604924), (387, 562720), (430, 506448), (480, 453693), (516, 422040), (645, 337632), (688, 316530), (720, 302462), (774, 281360), (860, 253224), (1032, 211020), (1290, 168816), (1376, 158265), (1440, 151231), (1548, 140680), (1720, 126612), (1935, 112544), (2064, 105510), (2580, 84408), (3096, 70340), (3440, 63306), (3517, 61920), (3870, 56272), (4128, 52755), (5160, 42204), (6192, 35170), (6880, 31653), (7034, 30960), (7740, 28136), (10320, 21102), (10551, 20640), (12384, 17585), (14068, 15480)]