85457960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 227772000

約数和(自身を除く): 142314040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 196, 236, 245, 280, 295, 392, 413, 472, 490, 590, 739, 826, 980, 1180, 1478, 1652, 1960, 2065, 2360, 2891, 2956, 3304, 3695, 4130, 5173, 5782, 5912, 7390, 8260, 10346, 11564, 14455, 14780, 16520, 20692, 23128, 25865, 28910, 29560, 36211, 41384, 43601, 51730, 57820, 72422, 87202, 103460, 115640, 144844, 174404, 181055, 206920, 218005, 289688, 305207, 348808, 362110, 436010, 610414, 724220, 872020, 1220828, 1448440, 1526035, 1744040, 2136449, 2441656, 3052070, 4272898, 6104140, 8545796, 10682245, 12208280, 17091592, 21364490, 42728980, 85457960]

約数ペア:

[(1, 85457960), (2, 42728980), (4, 21364490), (5, 17091592), (7, 12208280), (8, 10682245), (10, 8545796), (14, 6104140), (20, 4272898), (28, 3052070), (35, 2441656), (40, 2136449), (49, 1744040), (56, 1526035), (59, 1448440), (70, 1220828), (98, 872020), (118, 724220), (140, 610414), (196, 436010), (236, 362110), (245, 348808), (280, 305207), (295, 289688), (392, 218005), (413, 206920), (472, 181055), (490, 174404), (590, 144844), (739, 115640), (826, 103460), (980, 87202), (1180, 72422), (1478, 57820), (1652, 51730), (1960, 43601), (2065, 41384), (2360, 36211), (2891, 29560), (2956, 28910), (3304, 25865), (3695, 23128), (4130, 20692), (5173, 16520), (5782, 14780), (5912, 14455), (7390, 11564), (8260, 10346)]