122390320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{859}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 309042720

約数和(自身を除く): 186652400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 685, 859, 1040, 1096, 1370, 1718, 1781, 2192, 2740, 3436, 3562, 4295, 5480, 6872, 7124, 8590, 8905, 10960, 11167, 13744, 14248, 17180, 17810, 22334, 28496, 34360, 35620, 44668, 55835, 68720, 71240, 89336, 111670, 117683, 142480, 178672, 223340, 235366, 446680, 470732, 588415, 893360, 941464, 1176830, 1529879, 1882928, 2353660, 3059758, 4707320, 6119516, 7649395, 9414640, 12239032, 15298790, 24478064, 30597580, 61195160, 122390320]

約数ペア:

[(1, 122390320), (2, 61195160), (4, 30597580), (5, 24478064), (8, 15298790), (10, 12239032), (13, 9414640), (16, 7649395), (20, 6119516), (26, 4707320), (40, 3059758), (52, 2353660), (65, 1882928), (80, 1529879), (104, 1176830), (130, 941464), (137, 893360), (208, 588415), (260, 470732), (274, 446680), (520, 235366), (548, 223340), (685, 178672), (859, 142480), (1040, 117683), (1096, 111670), (1370, 89336), (1718, 71240), (1781, 68720), (2192, 55835), (2740, 44668), (3436, 35620), (3562, 34360), (4295, 28496), (5480, 22334), (6872, 17810), (7124, 17180), (8590, 14248), (8905, 13744), (10960, 11167)]