120162640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 307980288

約数和(自身を除く): 187817648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2687, 2795, 3440, 4472, 5374, 5590, 8944, 10748, 11180, 13435, 21496, 22360, 26870, 34931, 42992, 44720, 53740, 69862, 107480, 115541, 139724, 174655, 214960, 231082, 279448, 349310, 462164, 558896, 577705, 698620, 924328, 1155410, 1397240, 1502033, 1848656, 2310820, 2794480, 3004066, 4621640, 6008132, 7510165, 9243280, 12016264, 15020330, 24032528, 30040660, 60081320, 120162640]

約数ペア:

[(1, 120162640), (2, 60081320), (4, 30040660), (5, 24032528), (8, 15020330), (10, 12016264), (13, 9243280), (16, 7510165), (20, 6008132), (26, 4621640), (40, 3004066), (43, 2794480), (52, 2310820), (65, 1848656), (80, 1502033), (86, 1397240), (104, 1155410), (130, 924328), (172, 698620), (208, 577705), (215, 558896), (260, 462164), (344, 349310), (430, 279448), (520, 231082), (559, 214960), (688, 174655), (860, 139724), (1040, 115541), (1118, 107480), (1720, 69862), (2236, 53740), (2687, 44720), (2795, 42992), (3440, 34931), (4472, 26870), (5374, 22360), (5590, 21496), (8944, 13435), (10748, 11180)]