156638464280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1\times {\mathrm{26161}}^1$

素因数の和:27180

約数の個数: 64

約数和(自身を含む): 354825787680

約数和(自身を除く): 198187323400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 827, 905, 1448, 1654, 1810, 3308, 3620, 4135, 6616, 7240, 8270, 16540, 26161, 33080, 52322, 104644, 130805, 149687, 209288, 261610, 299374, 523220, 598748, 748435, 1046440, 1197496, 1496870, 2993740, 4735141, 5987480, 9470282, 18940564, 21635147, 23675705, 37881128, 43270294, 47351410, 86540588, 94702820, 108175735, 173081176, 189405640, 216351470, 432702940, 865405880, 3915961607, 7831923214, 15663846428, 19579808035, 31327692856, 39159616070, 78319232140, 156638464280]

約数ペア:

[(1, 156638464280), (2, 78319232140), (4, 39159616070), (5, 31327692856), (8, 19579808035), (10, 15663846428), (20, 7831923214), (40, 3915961607), (181, 865405880), (362, 432702940), (724, 216351470), (827, 189405640), (905, 173081176), (1448, 108175735), (1654, 94702820), (1810, 86540588), (3308, 47351410), (3620, 43270294), (4135, 37881128), (6616, 23675705), (7240, 21635147), (8270, 18940564), (16540, 9470282), (26161, 5987480), (33080, 4735141), (52322, 2993740), (104644, 1496870), (130805, 1197496), (149687, 1046440), (209288, 748435), (261610, 598748), (299374, 523220)]