118910480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2728

約数の個数: 80

約数和(自身を含む): 304772160

約数和(自身を除く): 185861680

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, 2659, 2795, 3440, 4472, 5318, 5590, 8944, 10636, 11180, 13295, 21272, 22360, 26590, 34567, 42544, 44720, 53180, 69134, 106360, 114337, 138268, 172835, 212720, 228674, 276536, 345670, 457348, 553072, 571685, 691340, 914696, 1143370, 1382680, 1486381, 1829392, 2286740, 2765360, 2972762, 4573480, 5945524, 7431905, 9146960, 11891048, 14863810, 23782096, 29727620, 59455240, 118910480]

約数ペア:

[(1, 118910480), (2, 59455240), (4, 29727620), (5, 23782096), (8, 14863810), (10, 11891048), (13, 9146960), (16, 7431905), (20, 5945524), (26, 4573480), (40, 2972762), (43, 2765360), (52, 2286740), (65, 1829392), (80, 1486381), (86, 1382680), (104, 1143370), (130, 914696), (172, 691340), (208, 571685), (215, 553072), (260, 457348), (344, 345670), (430, 276536), (520, 228674), (559, 212720), (688, 172835), (860, 138268), (1040, 114337), (1118, 106360), (1720, 69134), (2236, 53180), (2659, 44720), (2795, 42544), (3440, 34567), (4472, 26590), (5318, 22360), (5590, 21272), (8944, 13295), (10636, 11180)]