123303920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3527}}^1$

素因数の和:3582

約数の個数: 80

約数和(自身を含む): 314979840

約数和(自身を除く): 191675920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 3527, 4370, 6992, 7054, 8740, 14108, 17480, 17635, 28216, 34960, 35270, 56432, 67013, 70540, 81121, 134026, 141080, 162242, 268052, 282160, 324484, 335065, 405605, 536104, 648968, 670130, 811210, 1072208, 1297936, 1340260, 1541299, 1622420, 2680520, 3082598, 3244840, 5361040, 6165196, 6489680, 7706495, 12330392, 15412990, 24660784, 30825980, 61651960, 123303920]

約数ペア:

[(1, 123303920), (2, 61651960), (4, 30825980), (5, 24660784), (8, 15412990), (10, 12330392), (16, 7706495), (19, 6489680), (20, 6165196), (23, 5361040), (38, 3244840), (40, 3082598), (46, 2680520), (76, 1622420), (80, 1541299), (92, 1340260), (95, 1297936), (115, 1072208), (152, 811210), (184, 670130), (190, 648968), (230, 536104), (304, 405605), (368, 335065), (380, 324484), (437, 282160), (460, 268052), (760, 162242), (874, 141080), (920, 134026), (1520, 81121), (1748, 70540), (1840, 67013), (2185, 56432), (3496, 35270), (3527, 34960), (4370, 28216), (6992, 17635), (7054, 17480), (8740, 14108)]