31819480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10331}}^1$

素因数の和:10360

約数の個数: 64

約数和(自身を含む): 89268480

約数和(自身を除く): 57449000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10331, 20662, 41324, 51655, 72317, 82648, 103310, 113641, 144634, 206620, 227282, 289268, 361585, 413240, 454564, 568205, 578536, 723170, 795487, 909128, 1136410, 1446340, 1590974, 2272820, 2892680, 3181948, 3977435, 4545640, 6363896, 7954870, 15909740, 31819480]

約数ペア:

[(1, 31819480), (2, 15909740), (4, 7954870), (5, 6363896), (7, 4545640), (8, 3977435), (10, 3181948), (11, 2892680), (14, 2272820), (20, 1590974), (22, 1446340), (28, 1136410), (35, 909128), (40, 795487), (44, 723170), (55, 578536), (56, 568205), (70, 454564), (77, 413240), (88, 361585), (110, 289268), (140, 227282), (154, 206620), (220, 144634), (280, 113641), (308, 103310), (385, 82648), (440, 72317), (616, 51655), (770, 41324), (1540, 20662), (3080, 10331)]