165421520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:801

約数の個数: 120

約数和(自身を含む): 441721728

約数和(自身を除く): 276300208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 121, 176, 184, 220, 230, 242, 253, 368, 440, 460, 484, 506, 605, 743, 880, 920, 968, 1012, 1210, 1265, 1486, 1840, 1936, 2024, 2420, 2530, 2783, 2972, 3715, 4048, 4840, 5060, 5566, 5944, 7430, 8173, 9680, 10120, 11132, 11888, 13915, 14860, 16346, 17089, 20240, 22264, 27830, 29720, 32692, 34178, 40865, 44528, 55660, 59440, 65384, 68356, 81730, 85445, 89903, 111320, 130768, 136712, 163460, 170890, 179806, 187979, 222640, 273424, 326920, 341780, 359612, 375958, 449515, 653840, 683560, 719224, 751916, 899030, 939895, 1367120, 1438448, 1503832, 1798060, 1879790, 2067769, 3007664, 3596120, 3759580, 4135538, 7192240, 7519160, 8271076, 10338845, 15038320, 16542152, 20677690, 33084304, 41355380, 82710760, 165421520]

約数ペア:

[(1, 165421520), (2, 82710760), (4, 41355380), (5, 33084304), (8, 20677690), (10, 16542152), (11, 15038320), (16, 10338845), (20, 8271076), (22, 7519160), (23, 7192240), (40, 4135538), (44, 3759580), (46, 3596120), (55, 3007664), (80, 2067769), (88, 1879790), (92, 1798060), (110, 1503832), (115, 1438448), (121, 1367120), (176, 939895), (184, 899030), (220, 751916), (230, 719224), (242, 683560), (253, 653840), (368, 449515), (440, 375958), (460, 359612), (484, 341780), (506, 326920), (605, 273424), (743, 222640), (880, 187979), (920, 179806), (968, 170890), (1012, 163460), (1210, 136712), (1265, 130768), (1486, 111320), (1840, 89903), (1936, 85445), (2024, 81730), (2420, 68356), (2530, 65384), (2783, 59440), (2972, 55660), (3715, 44528), (4048, 40865), (4840, 34178), (5060, 32692), (5566, 29720), (5944, 27830), (7430, 22264), (8173, 20240), (9680, 17089), (10120, 16346), (11132, 14860), (11888, 13915)]