31390830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 85857408

約数和(自身を除く): 54466578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 47, 82, 90, 94, 123, 141, 181, 205, 235, 246, 282, 362, 369, 410, 423, 470, 543, 615, 705, 738, 846, 905, 1086, 1230, 1410, 1629, 1810, 1845, 1927, 2115, 2715, 3258, 3690, 3854, 4230, 5430, 5781, 7421, 8145, 8507, 9635, 11562, 14842, 16290, 17014, 17343, 19270, 22263, 25521, 28905, 34686, 37105, 42535, 44526, 51042, 57810, 66789, 74210, 76563, 85070, 86715, 111315, 127605, 133578, 153126, 173430, 222630, 255210, 333945, 348787, 382815, 667890, 697574, 765630, 1046361, 1743935, 2092722, 3139083, 3487870, 5231805, 6278166, 10463610, 15695415, 31390830]

約数ペア:

[(1, 31390830), (2, 15695415), (3, 10463610), (5, 6278166), (6, 5231805), (9, 3487870), (10, 3139083), (15, 2092722), (18, 1743935), (30, 1046361), (41, 765630), (45, 697574), (47, 667890), (82, 382815), (90, 348787), (94, 333945), (123, 255210), (141, 222630), (181, 173430), (205, 153126), (235, 133578), (246, 127605), (282, 111315), (362, 86715), (369, 85070), (410, 76563), (423, 74210), (470, 66789), (543, 57810), (615, 51042), (705, 44526), (738, 42535), (846, 37105), (905, 34686), (1086, 28905), (1230, 25521), (1410, 22263), (1629, 19270), (1810, 17343), (1845, 17014), (1927, 16290), (2115, 14842), (2715, 11562), (3258, 9635), (3690, 8507), (3854, 8145), (4230, 7421), (5430, 5781)]