31021020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 69617700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 90, 92, 115, 118, 127, 138, 177, 180, 207, 230, 236, 254, 276, 295, 345, 354, 381, 414, 460, 508, 531, 590, 635, 690, 708, 762, 828, 885, 1035, 1062, 1143, 1180, 1270, 1357, 1380, 1524, 1770, 1905, 2070, 2124, 2286, 2540, 2655, 2714, 2921, 3540, 3810, 4071, 4140, 4572, 5310, 5428, 5715, 5842, 6785, 7493, 7620, 8142, 8763, 10620, 11430, 11684, 12213, 13570, 14605, 14986, 16284, 17526, 20355, 22479, 22860, 24426, 26289, 27140, 29210, 29972, 35052, 37465, 40710, 43815, 44958, 48852, 52578, 58420, 61065, 67437, 74930, 81420, 87630, 89916, 105156, 112395, 122130, 131445, 134874, 149860, 172339, 175260, 224790, 244260, 262890, 269748, 337185, 344678, 449580, 517017, 525780, 674370, 689356, 861695, 1034034, 1348740, 1551051, 1723390, 2068068, 2585085, 3102102, 3446780, 5170170, 6204204, 7755255, 10340340, 15510510, 31021020]

約数ペア:

[(1, 31021020), (2, 15510510), (3, 10340340), (4, 7755255), (5, 6204204), (6, 5170170), (9, 3446780), (10, 3102102), (12, 2585085), (15, 2068068), (18, 1723390), (20, 1551051), (23, 1348740), (30, 1034034), (36, 861695), (45, 689356), (46, 674370), (59, 525780), (60, 517017), (69, 449580), (90, 344678), (92, 337185), (115, 269748), (118, 262890), (127, 244260), (138, 224790), (177, 175260), (180, 172339), (207, 149860), (230, 134874), (236, 131445), (254, 122130), (276, 112395), (295, 105156), (345, 89916), (354, 87630), (381, 81420), (414, 74930), (460, 67437), (508, 61065), (531, 58420), (590, 52578), (635, 48852), (690, 44958), (708, 43815), (762, 40710), (828, 37465), (885, 35052), (1035, 29972), (1062, 29210), (1143, 27140), (1180, 26289), (1270, 24426), (1357, 22860), (1380, 22479), (1524, 20355), (1770, 17526), (1905, 16284), (2070, 14986), (2124, 14605), (2286, 13570), (2540, 12213), (2655, 11684), (2714, 11430), (2921, 10620), (3540, 8763), (3810, 8142), (4071, 7620), (4140, 7493), (4572, 6785), (5310, 5842), (5428, 5715)]