161616620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 397716480

約数和(自身を除く): 236099860

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 79, 85, 110, 158, 170, 187, 220, 316, 340, 374, 395, 547, 748, 790, 869, 935, 1094, 1343, 1580, 1738, 1870, 2188, 2686, 2735, 3476, 3740, 4345, 5372, 5470, 6017, 6715, 8690, 9299, 10940, 12034, 13430, 14773, 17380, 18598, 24068, 26860, 29546, 30085, 37196, 43213, 46495, 59092, 60170, 73865, 86426, 92990, 102289, 120340, 147730, 172852, 185980, 204578, 216065, 295460, 409156, 432130, 475343, 511445, 734621, 864260, 950686, 1022890, 1469242, 1901372, 2045780, 2376715, 2938484, 3673105, 4753430, 7346210, 8080831, 9506860, 14692420, 16161662, 32323324, 40404155, 80808310, 161616620]

約数ペア:

[(1, 161616620), (2, 80808310), (4, 40404155), (5, 32323324), (10, 16161662), (11, 14692420), (17, 9506860), (20, 8080831), (22, 7346210), (34, 4753430), (44, 3673105), (55, 2938484), (68, 2376715), (79, 2045780), (85, 1901372), (110, 1469242), (158, 1022890), (170, 950686), (187, 864260), (220, 734621), (316, 511445), (340, 475343), (374, 432130), (395, 409156), (547, 295460), (748, 216065), (790, 204578), (869, 185980), (935, 172852), (1094, 147730), (1343, 120340), (1580, 102289), (1738, 92990), (1870, 86426), (2188, 73865), (2686, 60170), (2735, 59092), (3476, 46495), (3740, 43213), (4345, 37196), (5372, 30085), (5470, 29546), (6017, 26860), (6715, 24068), (8690, 18598), (9299, 17380), (10940, 14773), (12034, 13430)]