66909320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 157716720

約数和(自身を除く): 90807400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 424, 530, 740, 853, 1060, 1480, 1706, 1961, 2120, 3412, 3922, 4265, 6824, 7844, 8530, 9805, 15688, 17060, 19610, 31561, 34120, 39220, 45209, 63122, 78440, 90418, 126244, 157805, 180836, 226045, 252488, 315610, 361672, 452090, 631220, 904180, 1262440, 1672733, 1808360, 3345466, 6690932, 8363665, 13381864, 16727330, 33454660, 66909320]

約数ペア:

[(1, 66909320), (2, 33454660), (4, 16727330), (5, 13381864), (8, 8363665), (10, 6690932), (20, 3345466), (37, 1808360), (40, 1672733), (53, 1262440), (74, 904180), (106, 631220), (148, 452090), (185, 361672), (212, 315610), (265, 252488), (296, 226045), (370, 180836), (424, 157805), (530, 126244), (740, 90418), (853, 78440), (1060, 63122), (1480, 45209), (1706, 39220), (1961, 34120), (2120, 31561), (3412, 19610), (3922, 17060), (4265, 15688), (6824, 9805), (7844, 8530)]