87601520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 209986560

約数和(自身を除く): 122385040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 83, 158, 166, 167, 316, 332, 334, 395, 415, 632, 664, 668, 790, 830, 835, 1264, 1328, 1336, 1580, 1660, 1670, 2672, 3160, 3320, 3340, 6320, 6557, 6640, 6680, 13114, 13193, 13360, 13861, 26228, 26386, 27722, 32785, 52456, 52772, 55444, 65570, 65965, 69305, 104912, 105544, 110888, 131140, 131930, 138610, 211088, 221776, 262280, 263860, 277220, 524560, 527720, 554440, 1055440, 1095019, 1108880, 2190038, 4380076, 5475095, 8760152, 10950190, 17520304, 21900380, 43800760, 87601520]

約数ペア:

[(1, 87601520), (2, 43800760), (4, 21900380), (5, 17520304), (8, 10950190), (10, 8760152), (16, 5475095), (20, 4380076), (40, 2190038), (79, 1108880), (80, 1095019), (83, 1055440), (158, 554440), (166, 527720), (167, 524560), (316, 277220), (332, 263860), (334, 262280), (395, 221776), (415, 211088), (632, 138610), (664, 131930), (668, 131140), (790, 110888), (830, 105544), (835, 104912), (1264, 69305), (1328, 65965), (1336, 65570), (1580, 55444), (1660, 52772), (1670, 52456), (2672, 32785), (3160, 27722), (3320, 26386), (3340, 26228), (6320, 13861), (6557, 13360), (6640, 13193), (6680, 13114)]