64414840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{607}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 166348800

約数和(自身を除く): 101933960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 607, 758, 1214, 1516, 1895, 2428, 2653, 3032, 3035, 3790, 4249, 4856, 5306, 6070, 7580, 8498, 10612, 12140, 13265, 15160, 16996, 21224, 21245, 24280, 26530, 33992, 42490, 53060, 84980, 106120, 169960, 230053, 460106, 920212, 1150265, 1610371, 1840424, 2300530, 3220742, 4601060, 6441484, 8051855, 9202120, 12882968, 16103710, 32207420, 64414840]

約数ペア:

[(1, 64414840), (2, 32207420), (4, 16103710), (5, 12882968), (7, 9202120), (8, 8051855), (10, 6441484), (14, 4601060), (20, 3220742), (28, 2300530), (35, 1840424), (40, 1610371), (56, 1150265), (70, 920212), (140, 460106), (280, 230053), (379, 169960), (607, 106120), (758, 84980), (1214, 53060), (1516, 42490), (1895, 33992), (2428, 26530), (2653, 24280), (3032, 21245), (3035, 21224), (3790, 16996), (4249, 15160), (4856, 13265), (5306, 12140), (6070, 10612), (7580, 8498)]