31645240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 83980800

約数和(自身を除く): 52335560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 53, 55, 59, 88, 92, 106, 110, 115, 118, 184, 212, 220, 230, 236, 253, 265, 295, 424, 440, 460, 472, 506, 530, 583, 590, 649, 920, 1012, 1060, 1166, 1180, 1219, 1265, 1298, 1357, 2024, 2120, 2332, 2360, 2438, 2530, 2596, 2714, 2915, 3127, 3245, 4664, 4876, 5060, 5192, 5428, 5830, 6095, 6254, 6490, 6785, 9752, 10120, 10856, 11660, 12190, 12508, 12980, 13409, 13570, 14927, 15635, 23320, 24380, 25016, 25960, 26818, 27140, 29854, 31270, 34397, 48760, 53636, 54280, 59708, 62540, 67045, 68794, 71921, 74635, 107272, 119416, 125080, 134090, 137588, 143842, 149270, 171985, 268180, 275176, 287684, 298540, 343970, 359605, 536360, 575368, 597080, 687940, 719210, 791131, 1375880, 1438420, 1582262, 2876840, 3164524, 3955655, 6329048, 7911310, 15822620, 31645240]

約数ペア:

[(1, 31645240), (2, 15822620), (4, 7911310), (5, 6329048), (8, 3955655), (10, 3164524), (11, 2876840), (20, 1582262), (22, 1438420), (23, 1375880), (40, 791131), (44, 719210), (46, 687940), (53, 597080), (55, 575368), (59, 536360), (88, 359605), (92, 343970), (106, 298540), (110, 287684), (115, 275176), (118, 268180), (184, 171985), (212, 149270), (220, 143842), (230, 137588), (236, 134090), (253, 125080), (265, 119416), (295, 107272), (424, 74635), (440, 71921), (460, 68794), (472, 67045), (506, 62540), (530, 59708), (583, 54280), (590, 53636), (649, 48760), (920, 34397), (1012, 31270), (1060, 29854), (1166, 27140), (1180, 26818), (1219, 25960), (1265, 25016), (1298, 24380), (1357, 23320), (2024, 15635), (2120, 14927), (2332, 13570), (2360, 13409), (2438, 12980), (2530, 12508), (2596, 12190), (2714, 11660), (2915, 10856), (3127, 10120), (3245, 9752), (4664, 6785), (4876, 6490), (5060, 6254), (5192, 6095), (5428, 5830)]