64646260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1667}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 155804544

約数和(自身を除く): 91158284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1667, 1939, 2770, 3334, 3878, 5540, 6668, 7756, 8335, 9695, 11669, 16670, 19390, 23338, 33340, 38780, 46676, 58345, 116690, 233380, 461759, 923518, 1847036, 2308795, 3232313, 4617590, 6464626, 9235180, 12929252, 16161565, 32323130, 64646260]

約数ペア:

[(1, 64646260), (2, 32323130), (4, 16161565), (5, 12929252), (7, 9235180), (10, 6464626), (14, 4617590), (20, 3232313), (28, 2308795), (35, 1847036), (70, 923518), (140, 461759), (277, 233380), (554, 116690), (1108, 58345), (1385, 46676), (1667, 38780), (1939, 33340), (2770, 23338), (3334, 19390), (3878, 16670), (5540, 11669), (6668, 9695), (7756, 8335)]