155880160

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 381870720

約数和(自身を除く): 225990560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 139, 160, 163, 172, 215, 278, 326, 344, 430, 556, 652, 688, 695, 815, 860, 1112, 1304, 1376, 1390, 1630, 1720, 2224, 2608, 2780, 3260, 3440, 4448, 5216, 5560, 5977, 6520, 6880, 7009, 11120, 11954, 13040, 14018, 22240, 22657, 23908, 26080, 28036, 29885, 35045, 45314, 47816, 56072, 59770, 70090, 90628, 95632, 112144, 113285, 119540, 140180, 181256, 191264, 224288, 226570, 239080, 280360, 362512, 453140, 478160, 560720, 725024, 906280, 956320, 974251, 1121440, 1812560, 1948502, 3625120, 3897004, 4871255, 7794008, 9742510, 15588016, 19485020, 31176032, 38970040, 77940080, 155880160]

約数ペア:

[(1, 155880160), (2, 77940080), (4, 38970040), (5, 31176032), (8, 19485020), (10, 15588016), (16, 9742510), (20, 7794008), (32, 4871255), (40, 3897004), (43, 3625120), (80, 1948502), (86, 1812560), (139, 1121440), (160, 974251), (163, 956320), (172, 906280), (215, 725024), (278, 560720), (326, 478160), (344, 453140), (430, 362512), (556, 280360), (652, 239080), (688, 226570), (695, 224288), (815, 191264), (860, 181256), (1112, 140180), (1304, 119540), (1376, 113285), (1390, 112144), (1630, 95632), (1720, 90628), (2224, 70090), (2608, 59770), (2780, 56072), (3260, 47816), (3440, 45314), (4448, 35045), (5216, 29885), (5560, 28036), (5977, 26080), (6520, 23908), (6880, 22657), (7009, 22240), (11120, 14018), (11954, 13040)]