681969680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 160

約数和(自身を含む): 1877213184

約数和(自身を除く): 1195243504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 127, 140, 172, 215, 223, 254, 280, 301, 344, 430, 446, 508, 560, 602, 635, 688, 860, 889, 892, 1016, 1115, 1204, 1270, 1505, 1561, 1720, 1778, 1784, 2032, 2230, 2408, 2540, 3010, 3122, 3440, 3556, 3568, 4445, 4460, 4816, 5080, 5461, 6020, 6244, 7112, 7805, 8890, 8920, 9589, 10160, 10922, 12040, 12488, 14224, 15610, 17780, 17840, 19178, 21844, 24080, 24976, 27305, 28321, 31220, 35560, 38227, 38356, 43688, 47945, 54610, 56642, 62440, 67123, 71120, 76454, 76712, 87376, 95890, 109220, 113284, 124880, 134246, 141605, 152908, 153424, 191135, 191780, 198247, 218440, 226568, 268492, 283210, 305816, 335615, 382270, 383560, 396494, 436880, 453136, 536984, 566420, 611632, 671230, 764540, 767120, 792988, 991235, 1073968, 1132840, 1217803, 1342460, 1529080, 1585976, 1982470, 2265680, 2435606, 2684920, 3058160, 3171952, 3964940, 4871212, 5369840, 6089015, 7929880, 8524621, 9742424, 12178030, 15859760, 17049242, 19484848, 24356060, 34098484, 42623105, 48712120, 68196968, 85246210, 97424240, 136393936, 170492420, 340984840, 681969680]

約数ペア:

[(1, 681969680), (2, 340984840), (4, 170492420), (5, 136393936), (7, 97424240), (8, 85246210), (10, 68196968), (14, 48712120), (16, 42623105), (20, 34098484), (28, 24356060), (35, 19484848), (40, 17049242), (43, 15859760), (56, 12178030), (70, 9742424), (80, 8524621), (86, 7929880), (112, 6089015), (127, 5369840), (140, 4871212), (172, 3964940), (215, 3171952), (223, 3058160), (254, 2684920), (280, 2435606), (301, 2265680), (344, 1982470), (430, 1585976), (446, 1529080), (508, 1342460), (560, 1217803), (602, 1132840), (635, 1073968), (688, 991235), (860, 792988), (889, 767120), (892, 764540), (1016, 671230), (1115, 611632), (1204, 566420), (1270, 536984), (1505, 453136), (1561, 436880), (1720, 396494), (1778, 383560), (1784, 382270), (2032, 335615), (2230, 305816), (2408, 283210), (2540, 268492), (3010, 226568), (3122, 218440), (3440, 198247), (3556, 191780), (3568, 191135), (4445, 153424), (4460, 152908), (4816, 141605), (5080, 134246), (5461, 124880), (6020, 113284), (6244, 109220), (7112, 95890), (7805, 87376), (8890, 76712), (8920, 76454), (9589, 71120), (10160, 67123), (10922, 62440), (12040, 56642), (12488, 54610), (14224, 47945), (15610, 43688), (17780, 38356), (17840, 38227), (19178, 35560), (21844, 31220), (24080, 28321), (24976, 27305)]