620840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 1632960

約数和(自身を除く): 1012120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 83, 85, 88, 110, 136, 166, 170, 187, 220, 332, 340, 374, 415, 440, 664, 680, 748, 830, 913, 935, 1411, 1496, 1660, 1826, 1870, 2822, 3320, 3652, 3740, 4565, 5644, 7055, 7304, 7480, 9130, 11288, 14110, 15521, 18260, 28220, 31042, 36520, 56440, 62084, 77605, 124168, 155210, 310420, 620840]

約数ペア:

[(1, 620840), (2, 310420), (4, 155210), (5, 124168), (8, 77605), (10, 62084), (11, 56440), (17, 36520), (20, 31042), (22, 28220), (34, 18260), (40, 15521), (44, 14110), (55, 11288), (68, 9130), (83, 7480), (85, 7304), (88, 7055), (110, 5644), (136, 4565), (166, 3740), (170, 3652), (187, 3320), (220, 2822), (332, 1870), (340, 1826), (374, 1660), (415, 1496), (440, 1411), (664, 935), (680, 913), (748, 830)]