231931280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4021}}^1$

素因数の和:4144

約数の個数: 80

約数和(自身を含む): 622412544

約数和(自身を除く): 390481264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1648, 2060, 2884, 3605, 4021, 4120, 5768, 7210, 8042, 8240, 11536, 14420, 16084, 20105, 28147, 28840, 32168, 40210, 56294, 57680, 64336, 80420, 112588, 140735, 160840, 225176, 281470, 321680, 414163, 450352, 562940, 828326, 1125880, 1656652, 2070815, 2251760, 2899141, 3313304, 4141630, 5798282, 6626608, 8283260, 11596564, 14495705, 16566520, 23193128, 28991410, 33133040, 46386256, 57982820, 115965640, 231931280]

約数ペア:

[(1, 231931280), (2, 115965640), (4, 57982820), (5, 46386256), (7, 33133040), (8, 28991410), (10, 23193128), (14, 16566520), (16, 14495705), (20, 11596564), (28, 8283260), (35, 6626608), (40, 5798282), (56, 4141630), (70, 3313304), (80, 2899141), (103, 2251760), (112, 2070815), (140, 1656652), (206, 1125880), (280, 828326), (412, 562940), (515, 450352), (560, 414163), (721, 321680), (824, 281470), (1030, 225176), (1442, 160840), (1648, 140735), (2060, 112588), (2884, 80420), (3605, 64336), (4021, 57680), (4120, 56294), (5768, 40210), (7210, 32168), (8042, 28840), (8240, 28147), (11536, 20105), (14420, 16084)]