280509680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2111}}^1$

素因数の和:2286

約数の個数: 80

約数和(自身を含む): 716525568

約数和(自身を除く): 436015888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 151, 176, 220, 302, 440, 604, 755, 880, 1208, 1510, 1661, 2111, 2416, 3020, 3322, 4222, 6040, 6644, 8305, 8444, 10555, 12080, 13288, 16610, 16888, 21110, 23221, 26576, 33220, 33776, 42220, 46442, 66440, 84440, 92884, 116105, 132880, 168880, 185768, 232210, 318761, 371536, 464420, 637522, 928840, 1275044, 1593805, 1857680, 2550088, 3187610, 3506371, 5100176, 6375220, 7012742, 12750440, 14025484, 17531855, 25500880, 28050968, 35063710, 56101936, 70127420, 140254840, 280509680]

約数ペア:

[(1, 280509680), (2, 140254840), (4, 70127420), (5, 56101936), (8, 35063710), (10, 28050968), (11, 25500880), (16, 17531855), (20, 14025484), (22, 12750440), (40, 7012742), (44, 6375220), (55, 5100176), (80, 3506371), (88, 3187610), (110, 2550088), (151, 1857680), (176, 1593805), (220, 1275044), (302, 928840), (440, 637522), (604, 464420), (755, 371536), (880, 318761), (1208, 232210), (1510, 185768), (1661, 168880), (2111, 132880), (2416, 116105), (3020, 92884), (3322, 84440), (4222, 66440), (6040, 46442), (6644, 42220), (8305, 33776), (8444, 33220), (10555, 26576), (12080, 23221), (13288, 21110), (16610, 16888)]