8391880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 23950080

約数和(自身を除く): 15558200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 41, 43, 56, 68, 70, 82, 85, 86, 119, 136, 140, 164, 170, 172, 205, 215, 238, 280, 287, 301, 328, 340, 344, 410, 430, 476, 574, 595, 602, 680, 697, 731, 820, 860, 952, 1148, 1190, 1204, 1394, 1435, 1462, 1505, 1640, 1720, 1763, 2296, 2380, 2408, 2788, 2870, 2924, 3010, 3485, 3526, 3655, 4760, 4879, 5117, 5576, 5740, 5848, 6020, 6970, 7052, 7310, 8815, 9758, 10234, 11480, 12040, 12341, 13940, 14104, 14620, 17630, 19516, 20468, 24395, 24682, 25585, 27880, 29240, 29971, 35260, 39032, 40936, 48790, 49364, 51170, 59942, 61705, 70520, 97580, 98728, 102340, 119884, 123410, 149855, 195160, 204680, 209797, 239768, 246820, 299710, 419594, 493640, 599420, 839188, 1048985, 1198840, 1678376, 2097970, 4195940, 8391880]

約数ペア:

[(1, 8391880), (2, 4195940), (4, 2097970), (5, 1678376), (7, 1198840), (8, 1048985), (10, 839188), (14, 599420), (17, 493640), (20, 419594), (28, 299710), (34, 246820), (35, 239768), (40, 209797), (41, 204680), (43, 195160), (56, 149855), (68, 123410), (70, 119884), (82, 102340), (85, 98728), (86, 97580), (119, 70520), (136, 61705), (140, 59942), (164, 51170), (170, 49364), (172, 48790), (205, 40936), (215, 39032), (238, 35260), (280, 29971), (287, 29240), (301, 27880), (328, 25585), (340, 24682), (344, 24395), (410, 20468), (430, 19516), (476, 17630), (574, 14620), (595, 14104), (602, 13940), (680, 12341), (697, 12040), (731, 11480), (820, 10234), (860, 9758), (952, 8815), (1148, 7310), (1190, 7052), (1204, 6970), (1394, 6020), (1435, 5848), (1462, 5740), (1505, 5576), (1640, 5117), (1720, 4879), (1763, 4760), (2296, 3655), (2380, 3526), (2408, 3485), (2788, 3010), (2870, 2924)]