71070880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 187994520

約数和(自身を除く): 116923640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 53, 58, 68, 80, 85, 106, 116, 136, 145, 160, 170, 212, 232, 265, 272, 289, 290, 340, 424, 464, 493, 530, 544, 578, 580, 680, 848, 901, 928, 986, 1060, 1156, 1160, 1360, 1445, 1537, 1696, 1802, 1972, 2120, 2312, 2320, 2465, 2720, 2890, 3074, 3604, 3944, 4240, 4505, 4624, 4640, 4930, 5780, 6148, 7208, 7685, 7888, 8381, 8480, 9010, 9248, 9860, 11560, 12296, 14416, 15317, 15370, 15776, 16762, 18020, 19720, 23120, 24592, 26129, 28832, 30634, 30740, 33524, 36040, 39440, 41905, 46240, 49184, 52258, 61268, 61480, 67048, 72080, 76585, 78880, 83810, 104516, 122536, 122960, 130645, 134096, 144160, 153170, 167620, 209032, 245072, 245920, 261290, 268192, 306340, 335240, 418064, 444193, 490144, 522580, 612680, 670480, 836128, 888386, 1045160, 1225360, 1340960, 1776772, 2090320, 2220965, 2450720, 3553544, 4180640, 4441930, 7107088, 8883860, 14214176, 17767720, 35535440, 71070880]

約数ペア:

[(1, 71070880), (2, 35535440), (4, 17767720), (5, 14214176), (8, 8883860), (10, 7107088), (16, 4441930), (17, 4180640), (20, 3553544), (29, 2450720), (32, 2220965), (34, 2090320), (40, 1776772), (53, 1340960), (58, 1225360), (68, 1045160), (80, 888386), (85, 836128), (106, 670480), (116, 612680), (136, 522580), (145, 490144), (160, 444193), (170, 418064), (212, 335240), (232, 306340), (265, 268192), (272, 261290), (289, 245920), (290, 245072), (340, 209032), (424, 167620), (464, 153170), (493, 144160), (530, 134096), (544, 130645), (578, 122960), (580, 122536), (680, 104516), (848, 83810), (901, 78880), (928, 76585), (986, 72080), (1060, 67048), (1156, 61480), (1160, 61268), (1360, 52258), (1445, 49184), (1537, 46240), (1696, 41905), (1802, 39440), (1972, 36040), (2120, 33524), (2312, 30740), (2320, 30634), (2465, 28832), (2720, 26129), (2890, 24592), (3074, 23120), (3604, 19720), (3944, 18020), (4240, 16762), (4505, 15776), (4624, 15370), (4640, 15317), (4930, 14416), (5780, 12296), (6148, 11560), (7208, 9860), (7685, 9248), (7888, 9010), (8381, 8480)]