31428270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2707}}^1$

素因数の和:2766

約数の個数: 64

約数和(自身を含む): 85789440

約数和(自身を除く): 54361170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1935, 2322, 2707, 3870, 5414, 5805, 8121, 11610, 13535, 16242, 24363, 27070, 40605, 48726, 73089, 81210, 116401, 121815, 146178, 232802, 243630, 349203, 365445, 582005, 698406, 730890, 1047609, 1164010, 1746015, 2095218, 3142827, 3492030, 5238045, 6285654, 10476090, 15714135, 31428270]

約数ペア:

[(1, 31428270), (2, 15714135), (3, 10476090), (5, 6285654), (6, 5238045), (9, 3492030), (10, 3142827), (15, 2095218), (18, 1746015), (27, 1164010), (30, 1047609), (43, 730890), (45, 698406), (54, 582005), (86, 365445), (90, 349203), (129, 243630), (135, 232802), (215, 146178), (258, 121815), (270, 116401), (387, 81210), (430, 73089), (645, 48726), (774, 40605), (1161, 27070), (1290, 24363), (1935, 16242), (2322, 13535), (2707, 11610), (3870, 8121), (5414, 5805)]