65266640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 160704000

約数和(自身を除く): 95437360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 316, 368, 395, 449, 460, 632, 790, 898, 920, 1264, 1580, 1796, 1817, 1840, 2245, 3160, 3592, 3634, 4490, 6320, 7184, 7268, 8980, 9085, 10327, 14536, 17960, 18170, 20654, 29072, 35471, 35920, 36340, 41308, 51635, 70942, 72680, 82616, 103270, 141884, 145360, 165232, 177355, 206540, 283768, 354710, 413080, 567536, 709420, 815833, 826160, 1418840, 1631666, 2837680, 3263332, 4079165, 6526664, 8158330, 13053328, 16316660, 32633320, 65266640]

約数ペア:

[(1, 65266640), (2, 32633320), (4, 16316660), (5, 13053328), (8, 8158330), (10, 6526664), (16, 4079165), (20, 3263332), (23, 2837680), (40, 1631666), (46, 1418840), (79, 826160), (80, 815833), (92, 709420), (115, 567536), (158, 413080), (184, 354710), (230, 283768), (316, 206540), (368, 177355), (395, 165232), (449, 145360), (460, 141884), (632, 103270), (790, 82616), (898, 72680), (920, 70942), (1264, 51635), (1580, 41308), (1796, 36340), (1817, 35920), (1840, 35471), (2245, 29072), (3160, 20654), (3592, 18170), (3634, 17960), (4490, 14536), (6320, 10327), (7184, 9085), (7268, 8980)]