129544240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{4721}}^1$

素因数の和:4755

約数の個数: 80

約数和(自身を含む): 351316800

約数和(自身を除く): 221772560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 4721, 5488, 6860, 9442, 13720, 18884, 23605, 27440, 33047, 37768, 47210, 66094, 75536, 94420, 132188, 165235, 188840, 231329, 264376, 330470, 377680, 462658, 528752, 660940, 925316, 1156645, 1321880, 1619303, 1850632, 2313290, 2643760, 3238606, 3701264, 4626580, 6477212, 8096515, 9253160, 12954424, 16193030, 18506320, 25908848, 32386060, 64772120, 129544240]

約数ペア:

[(1, 129544240), (2, 64772120), (4, 32386060), (5, 25908848), (7, 18506320), (8, 16193030), (10, 12954424), (14, 9253160), (16, 8096515), (20, 6477212), (28, 4626580), (35, 3701264), (40, 3238606), (49, 2643760), (56, 2313290), (70, 1850632), (80, 1619303), (98, 1321880), (112, 1156645), (140, 925316), (196, 660940), (245, 528752), (280, 462658), (343, 377680), (392, 330470), (490, 264376), (560, 231329), (686, 188840), (784, 165235), (980, 132188), (1372, 94420), (1715, 75536), (1960, 66094), (2744, 47210), (3430, 37768), (3920, 33047), (4721, 27440), (5488, 23605), (6860, 18884), (9442, 13720)]