7989320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 19699200

約数和(自身を除く): 11709880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 379, 527, 620, 680, 758, 1054, 1240, 1516, 1895, 2108, 2635, 3032, 3790, 4216, 5270, 6443, 7580, 10540, 11749, 12886, 15160, 21080, 23498, 25772, 32215, 46996, 51544, 58745, 64430, 93992, 117490, 128860, 199733, 234980, 257720, 399466, 469960, 798932, 998665, 1597864, 1997330, 3994660, 7989320]

約数ペア:

[(1, 7989320), (2, 3994660), (4, 1997330), (5, 1597864), (8, 998665), (10, 798932), (17, 469960), (20, 399466), (31, 257720), (34, 234980), (40, 199733), (62, 128860), (68, 117490), (85, 93992), (124, 64430), (136, 58745), (155, 51544), (170, 46996), (248, 32215), (310, 25772), (340, 23498), (379, 21080), (527, 15160), (620, 12886), (680, 11749), (758, 10540), (1054, 7580), (1240, 6443), (1516, 5270), (1895, 4216), (2108, 3790), (2635, 3032)]