15831480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 55572480

約数和(自身を除く): 39741000

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, 401, 420, 470, 564, 658, 705, 802, 840, 940, 987, 1128, 1203, 1316, 1410, 1604, 1645, 1880, 1974, 2005, 2406, 2632, 2807, 2820, 3208, 3290, 3948, 4010, 4812, 4935, 5614, 5640, 6015, 6580, 7896, 8020, 8421, 9624, 9870, 11228, 12030, 13160, 14035, 16040, 16842, 18847, 19740, 22456, 24060, 28070, 33684, 37694, 39480, 42105, 48120, 56140, 56541, 67368, 75388, 84210, 94235, 112280, 113082, 131929, 150776, 168420, 188470, 226164, 263858, 282705, 336840, 376940, 395787, 452328, 527716, 565410, 659645, 753880, 791574, 1055432, 1130820, 1319290, 1583148, 1978935, 2261640, 2638580, 3166296, 3957870, 5277160, 7915740, 15831480]

約数ペア:

[(1, 15831480), (2, 7915740), (3, 5277160), (4, 3957870), (5, 3166296), (6, 2638580), (7, 2261640), (8, 1978935), (10, 1583148), (12, 1319290), (14, 1130820), (15, 1055432), (20, 791574), (21, 753880), (24, 659645), (28, 565410), (30, 527716), (35, 452328), (40, 395787), (42, 376940), (47, 336840), (56, 282705), (60, 263858), (70, 226164), (84, 188470), (94, 168420), (105, 150776), (120, 131929), (140, 113082), (141, 112280), (168, 94235), (188, 84210), (210, 75388), (235, 67368), (280, 56541), (282, 56140), (329, 48120), (376, 42105), (401, 39480), (420, 37694), (470, 33684), (564, 28070), (658, 24060), (705, 22456), (802, 19740), (840, 18847), (940, 16842), (987, 16040), (1128, 14035), (1203, 13160), (1316, 12030), (1410, 11228), (1604, 9870), (1645, 9624), (1880, 8421), (1974, 8020), (2005, 7896), (2406, 6580), (2632, 6015), (2807, 5640), (2820, 5614), (3208, 4935), (3290, 4812), (3948, 4010)]