257126640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9829}}^1$

素因数の和:9954

約数の個数: 80

約数和(自身を含む): 804487200

約数和(自身を除く): 547360560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8720, 9829, 13080, 19658, 26160, 29487, 39316, 49145, 58974, 78632, 98290, 117948, 147435, 157264, 196580, 235896, 294870, 393160, 471792, 589740, 786320, 1071361, 1179480, 2142722, 2358960, 3214083, 4285444, 5356805, 6428166, 8570888, 10713610, 12856332, 16070415, 17141776, 21427220, 25712664, 32140830, 42854440, 51425328, 64281660, 85708880, 128563320, 257126640]

約数ペア:

[(1, 257126640), (2, 128563320), (3, 85708880), (4, 64281660), (5, 51425328), (6, 42854440), (8, 32140830), (10, 25712664), (12, 21427220), (15, 17141776), (16, 16070415), (20, 12856332), (24, 10713610), (30, 8570888), (40, 6428166), (48, 5356805), (60, 4285444), (80, 3214083), (109, 2358960), (120, 2142722), (218, 1179480), (240, 1071361), (327, 786320), (436, 589740), (545, 471792), (654, 393160), (872, 294870), (1090, 235896), (1308, 196580), (1635, 157264), (1744, 147435), (2180, 117948), (2616, 98290), (3270, 78632), (4360, 58974), (5232, 49145), (6540, 39316), (8720, 29487), (9829, 26160), (13080, 19658)]