31070760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 108933120

約数和(自身を除く): 77862360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 787, 840, 940, 987, 1128, 1316, 1410, 1574, 1645, 1880, 1974, 2361, 2632, 2820, 3148, 3290, 3935, 3948, 4722, 4935, 5509, 5640, 6296, 6580, 7870, 7896, 9444, 9870, 11018, 11805, 13160, 15740, 16527, 18888, 19740, 22036, 23610, 27545, 31480, 33054, 36989, 39480, 44072, 47220, 55090, 66108, 73978, 82635, 94440, 110180, 110967, 132216, 147956, 165270, 184945, 220360, 221934, 258923, 295912, 330540, 369890, 443868, 517846, 554835, 661080, 739780, 776769, 887736, 1035692, 1109670, 1294615, 1479560, 1553538, 2071384, 2219340, 2589230, 3107076, 3883845, 4438680, 5178460, 6214152, 7767690, 10356920, 15535380, 31070760]

約数ペア:

[(1, 31070760), (2, 15535380), (3, 10356920), (4, 7767690), (5, 6214152), (6, 5178460), (7, 4438680), (8, 3883845), (10, 3107076), (12, 2589230), (14, 2219340), (15, 2071384), (20, 1553538), (21, 1479560), (24, 1294615), (28, 1109670), (30, 1035692), (35, 887736), (40, 776769), (42, 739780), (47, 661080), (56, 554835), (60, 517846), (70, 443868), (84, 369890), (94, 330540), (105, 295912), (120, 258923), (140, 221934), (141, 220360), (168, 184945), (188, 165270), (210, 147956), (235, 132216), (280, 110967), (282, 110180), (329, 94440), (376, 82635), (420, 73978), (470, 66108), (564, 55090), (658, 47220), (705, 44072), (787, 39480), (840, 36989), (940, 33054), (987, 31480), (1128, 27545), (1316, 23610), (1410, 22036), (1574, 19740), (1645, 18888), (1880, 16527), (1974, 15740), (2361, 13160), (2632, 11805), (2820, 11018), (3148, 9870), (3290, 9444), (3935, 7896), (3948, 7870), (4722, 6580), (4935, 6296), (5509, 5640)]