76281760

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{971}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 180768672

約数和(自身を除く): 104486912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 971, 982, 1942, 1964, 2455, 3884, 3928, 4855, 4910, 7768, 7856, 9710, 9820, 15536, 15712, 19420, 19640, 31072, 38840, 39280, 77680, 78560, 155360, 476761, 953522, 1907044, 2383805, 3814088, 4767610, 7628176, 9535220, 15256352, 19070440, 38140880, 76281760]

約数ペア:

[(1, 76281760), (2, 38140880), (4, 19070440), (5, 15256352), (8, 9535220), (10, 7628176), (16, 4767610), (20, 3814088), (32, 2383805), (40, 1907044), (80, 953522), (160, 476761), (491, 155360), (971, 78560), (982, 77680), (1942, 39280), (1964, 38840), (2455, 31072), (3884, 19640), (3928, 19420), (4855, 15712), (4910, 15536), (7768, 9820), (7856, 9710)]