1330278760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1\times {\mathrm{991}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 3080517120

約数和(自身を除く): 1750238360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 907, 991, 1480, 1814, 1982, 3628, 3964, 4535, 4955, 7256, 7928, 9070, 9910, 18140, 19820, 33559, 36280, 36667, 39640, 67118, 73334, 134236, 146668, 167795, 183335, 268472, 293336, 335590, 366670, 671180, 733340, 898837, 1342360, 1466680, 1797674, 3595348, 4494185, 7190696, 8988370, 17976740, 33256969, 35953480, 66513938, 133027876, 166284845, 266055752, 332569690, 665139380, 1330278760]

約数ペア:

[(1, 1330278760), (2, 665139380), (4, 332569690), (5, 266055752), (8, 166284845), (10, 133027876), (20, 66513938), (37, 35953480), (40, 33256969), (74, 17976740), (148, 8988370), (185, 7190696), (296, 4494185), (370, 3595348), (740, 1797674), (907, 1466680), (991, 1342360), (1480, 898837), (1814, 733340), (1982, 671180), (3628, 366670), (3964, 335590), (4535, 293336), (4955, 268472), (7256, 183335), (7928, 167795), (9070, 146668), (9910, 134236), (18140, 73334), (19820, 67118), (33559, 39640), (36280, 36667)]