57328720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 138562560

約数和(自身を除く): 81233840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 79, 80, 94, 158, 188, 193, 235, 316, 376, 386, 395, 470, 632, 752, 772, 790, 940, 965, 1264, 1544, 1580, 1880, 1930, 3088, 3160, 3713, 3760, 3860, 6320, 7426, 7720, 9071, 14852, 15247, 15440, 18142, 18565, 29704, 30494, 36284, 37130, 45355, 59408, 60988, 72568, 74260, 76235, 90710, 121976, 145136, 148520, 152470, 181420, 243952, 297040, 304940, 362840, 609880, 716609, 725680, 1219760, 1433218, 2866436, 3583045, 5732872, 7166090, 11465744, 14332180, 28664360, 57328720]

約数ペア:

[(1, 57328720), (2, 28664360), (4, 14332180), (5, 11465744), (8, 7166090), (10, 5732872), (16, 3583045), (20, 2866436), (40, 1433218), (47, 1219760), (79, 725680), (80, 716609), (94, 609880), (158, 362840), (188, 304940), (193, 297040), (235, 243952), (316, 181420), (376, 152470), (386, 148520), (395, 145136), (470, 121976), (632, 90710), (752, 76235), (772, 74260), (790, 72568), (940, 60988), (965, 59408), (1264, 45355), (1544, 37130), (1580, 36284), (1880, 30494), (1930, 29704), (3088, 18565), (3160, 18142), (3713, 15440), (3760, 15247), (3860, 14852), (6320, 9071), (7426, 7720)]