129827320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 351267840

約数和(自身を除く): 221440520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 43, 56, 70, 82, 86, 140, 164, 172, 205, 215, 263, 280, 287, 301, 328, 344, 410, 430, 526, 574, 602, 820, 860, 1052, 1148, 1204, 1315, 1435, 1505, 1640, 1720, 1763, 1841, 2104, 2296, 2408, 2630, 2870, 3010, 3526, 3682, 5260, 5740, 6020, 7052, 7364, 8815, 9205, 10520, 10783, 11309, 11480, 12040, 12341, 14104, 14728, 17630, 18410, 21566, 22618, 24682, 35260, 36820, 43132, 45236, 49364, 53915, 56545, 61705, 70520, 73640, 75481, 79163, 86264, 90472, 98728, 107830, 113090, 123410, 150962, 158326, 215660, 226180, 246820, 301924, 316652, 377405, 395815, 431320, 452360, 463669, 493640, 603848, 633304, 754810, 791630, 927338, 1509620, 1583260, 1854676, 2318345, 3019240, 3166520, 3245683, 3709352, 4636690, 6491366, 9273380, 12982732, 16228415, 18546760, 25965464, 32456830, 64913660, 129827320]

約数ペア:

[(1, 129827320), (2, 64913660), (4, 32456830), (5, 25965464), (7, 18546760), (8, 16228415), (10, 12982732), (14, 9273380), (20, 6491366), (28, 4636690), (35, 3709352), (40, 3245683), (41, 3166520), (43, 3019240), (56, 2318345), (70, 1854676), (82, 1583260), (86, 1509620), (140, 927338), (164, 791630), (172, 754810), (205, 633304), (215, 603848), (263, 493640), (280, 463669), (287, 452360), (301, 431320), (328, 395815), (344, 377405), (410, 316652), (430, 301924), (526, 246820), (574, 226180), (602, 215660), (820, 158326), (860, 150962), (1052, 123410), (1148, 113090), (1204, 107830), (1315, 98728), (1435, 90472), (1505, 86264), (1640, 79163), (1720, 75481), (1763, 73640), (1841, 70520), (2104, 61705), (2296, 56545), (2408, 53915), (2630, 49364), (2870, 45236), (3010, 43132), (3526, 36820), (3682, 35260), (5260, 24682), (5740, 22618), (6020, 21566), (7052, 18410), (7364, 17630), (8815, 14728), (9205, 14104), (10520, 12341), (10783, 12040), (11309, 11480)]