90146840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1861}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 233271360

約数和(自身を除く): 143124520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 1861, 2422, 3460, 3722, 4844, 6055, 6920, 7444, 9305, 9688, 12110, 13027, 14888, 18610, 24220, 26054, 37220, 48440, 52108, 65135, 74440, 104216, 130270, 260540, 321953, 521080, 643906, 1287812, 1609765, 2253671, 2575624, 3219530, 4507342, 6439060, 9014684, 11268355, 12878120, 18029368, 22536710, 45073420, 90146840]

約数ペア:

[(1, 90146840), (2, 45073420), (4, 22536710), (5, 18029368), (7, 12878120), (8, 11268355), (10, 9014684), (14, 6439060), (20, 4507342), (28, 3219530), (35, 2575624), (40, 2253671), (56, 1609765), (70, 1287812), (140, 643906), (173, 521080), (280, 321953), (346, 260540), (692, 130270), (865, 104216), (1211, 74440), (1384, 65135), (1730, 52108), (1861, 48440), (2422, 37220), (3460, 26054), (3722, 24220), (4844, 18610), (6055, 14888), (6920, 13027), (7444, 12110), (9305, 9688)]