1520692415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 2189566080

約数和(自身を除く): 668873665

約数列:

[1, 5, 11, 17, 37, 55, 85, 113, 185, 187, 389, 407, 565, 629, 935, 1243, 1921, 1945, 2035, 3145, 4181, 4279, 6215, 6613, 6919, 9605, 14393, 20905, 21131, 21395, 33065, 34595, 43957, 45991, 71077, 71965, 72743, 105655, 158323, 219785, 229955, 244681, 355385, 363715, 483527, 747269, 781847, 791615, 1223405, 1626409, 2417635, 2691491, 3736345, 3909235, 8132045, 8219959, 13457455, 17890499, 27648953, 41099795, 89452495, 138244765, 304138483, 1520692415]

約数ペア:

[(1, 1520692415), (5, 304138483), (11, 138244765), (17, 89452495), (37, 41099795), (55, 27648953), (85, 17890499), (113, 13457455), (185, 8219959), (187, 8132045), (389, 3909235), (407, 3736345), (565, 2691491), (629, 2417635), (935, 1626409), (1243, 1223405), (1921, 791615), (1945, 781847), (2035, 747269), (3145, 483527), (4181, 363715), (4279, 355385), (6215, 244681), (6613, 229955), (6919, 219785), (9605, 158323), (14393, 105655), (20905, 72743), (21131, 71965), (21395, 71077), (33065, 45991), (34595, 43957)]