71429880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 223027200

約数和(自身を除く): 151597320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 109, 120, 127, 129, 172, 215, 218, 254, 258, 327, 344, 381, 430, 436, 508, 516, 545, 635, 645, 654, 762, 860, 872, 1016, 1032, 1090, 1270, 1290, 1308, 1524, 1635, 1720, 1905, 2180, 2540, 2580, 2616, 3048, 3270, 3810, 4360, 4687, 5080, 5160, 5461, 6540, 7620, 9374, 10922, 13080, 13843, 14061, 15240, 16383, 18748, 21844, 23435, 27305, 27686, 28122, 32766, 37496, 41529, 43688, 46870, 54610, 55372, 56244, 65532, 69215, 70305, 81915, 83058, 93740, 109220, 110744, 112488, 131064, 138430, 140610, 163830, 166116, 187480, 207645, 218440, 276860, 281220, 327660, 332232, 415290, 553720, 562440, 595249, 655320, 830580, 1190498, 1661160, 1785747, 2380996, 2976245, 3571494, 4761992, 5952490, 7142988, 8928735, 11904980, 14285976, 17857470, 23809960, 35714940, 71429880]

約数ペア:

[(1, 71429880), (2, 35714940), (3, 23809960), (4, 17857470), (5, 14285976), (6, 11904980), (8, 8928735), (10, 7142988), (12, 5952490), (15, 4761992), (20, 3571494), (24, 2976245), (30, 2380996), (40, 1785747), (43, 1661160), (60, 1190498), (86, 830580), (109, 655320), (120, 595249), (127, 562440), (129, 553720), (172, 415290), (215, 332232), (218, 327660), (254, 281220), (258, 276860), (327, 218440), (344, 207645), (381, 187480), (430, 166116), (436, 163830), (508, 140610), (516, 138430), (545, 131064), (635, 112488), (645, 110744), (654, 109220), (762, 93740), (860, 83058), (872, 81915), (1016, 70305), (1032, 69215), (1090, 65532), (1270, 56244), (1290, 55372), (1308, 54610), (1524, 46870), (1635, 43688), (1720, 41529), (1905, 37496), (2180, 32766), (2540, 28122), (2580, 27686), (2616, 27305), (3048, 23435), (3270, 21844), (3810, 18748), (4360, 16383), (4687, 15240), (5080, 14061), (5160, 13843), (5461, 13080), (6540, 10922), (7620, 9374)]