131759360

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1303}}^1$

素因数の和:1403

約数の個数: 72

約数和(自身を含む): 319845120

約数和(自身を除く): 188085760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1303, 1580, 2528, 2606, 3160, 5056, 5212, 6320, 6515, 10112, 10424, 12640, 13030, 20224, 20848, 25280, 26060, 41696, 50560, 52120, 83392, 101120, 102937, 104240, 166784, 205874, 208480, 333568, 411748, 416960, 514685, 823496, 833920, 1029370, 1646992, 1667840, 2058740, 3293984, 4117480, 6587968, 8234960, 13175936, 16469920, 26351872, 32939840, 65879680, 131759360]

約数ペア:

[(1, 131759360), (2, 65879680), (4, 32939840), (5, 26351872), (8, 16469920), (10, 13175936), (16, 8234960), (20, 6587968), (32, 4117480), (40, 3293984), (64, 2058740), (79, 1667840), (80, 1646992), (128, 1029370), (158, 833920), (160, 823496), (256, 514685), (316, 416960), (320, 411748), (395, 333568), (632, 208480), (640, 205874), (790, 166784), (1264, 104240), (1280, 102937), (1303, 101120), (1580, 83392), (2528, 52120), (2606, 50560), (3160, 41696), (5056, 26060), (5212, 25280), (6320, 20848), (6515, 20224), (10112, 13030), (10424, 12640)]