7660880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 19445184

約数和(自身を除く): 11784304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 131, 136, 170, 172, 215, 262, 272, 340, 344, 430, 524, 655, 680, 688, 731, 860, 1048, 1310, 1360, 1462, 1720, 2096, 2227, 2620, 2924, 3440, 3655, 4454, 5240, 5633, 5848, 7310, 8908, 10480, 11135, 11266, 11696, 14620, 17816, 22270, 22532, 28165, 29240, 35632, 44540, 45064, 56330, 58480, 89080, 90128, 95761, 112660, 178160, 191522, 225320, 383044, 450640, 478805, 766088, 957610, 1532176, 1915220, 3830440, 7660880]

約数ペア:

[(1, 7660880), (2, 3830440), (4, 1915220), (5, 1532176), (8, 957610), (10, 766088), (16, 478805), (17, 450640), (20, 383044), (34, 225320), (40, 191522), (43, 178160), (68, 112660), (80, 95761), (85, 90128), (86, 89080), (131, 58480), (136, 56330), (170, 45064), (172, 44540), (215, 35632), (262, 29240), (272, 28165), (340, 22532), (344, 22270), (430, 17816), (524, 14620), (655, 11696), (680, 11266), (688, 11135), (731, 10480), (860, 8908), (1048, 7310), (1310, 5848), (1360, 5633), (1462, 5240), (1720, 4454), (2096, 3655), (2227, 3440), (2620, 2924)]