31957280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 50779360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 379, 496, 527, 544, 620, 680, 758, 992, 1054, 1240, 1360, 1516, 1895, 2108, 2480, 2635, 2720, 3032, 3790, 4216, 4960, 5270, 6064, 6443, 7580, 8432, 10540, 11749, 12128, 12886, 15160, 16864, 21080, 23498, 25772, 30320, 32215, 42160, 46996, 51544, 58745, 60640, 64430, 84320, 93992, 103088, 117490, 128860, 187984, 199733, 206176, 234980, 257720, 375968, 399466, 469960, 515440, 798932, 939920, 998665, 1030880, 1597864, 1879840, 1997330, 3195728, 3994660, 6391456, 7989320, 15978640, 31957280]

約数ペア:

[(1, 31957280), (2, 15978640), (4, 7989320), (5, 6391456), (8, 3994660), (10, 3195728), (16, 1997330), (17, 1879840), (20, 1597864), (31, 1030880), (32, 998665), (34, 939920), (40, 798932), (62, 515440), (68, 469960), (80, 399466), (85, 375968), (124, 257720), (136, 234980), (155, 206176), (160, 199733), (170, 187984), (248, 128860), (272, 117490), (310, 103088), (340, 93992), (379, 84320), (496, 64430), (527, 60640), (544, 58745), (620, 51544), (680, 46996), (758, 42160), (992, 32215), (1054, 30320), (1240, 25772), (1360, 23498), (1516, 21080), (1895, 16864), (2108, 15160), (2480, 12886), (2635, 12128), (2720, 11749), (3032, 10540), (3790, 8432), (4216, 7580), (4960, 6443), (5270, 6064)]