131256840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7649}}^1$

素因数の和:7687

約数の個数: 128

約数和(自身を含む): 462672000

約数和(自身を除く): 331415160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 7649, 8580, 15298, 17160, 22947, 30596, 38245, 45894, 61192, 76490, 84139, 91788, 99437, 114735, 152980, 168278, 183576, 198874, 229470, 252417, 298311, 305960, 336556, 397748, 420695, 458940, 497185, 504834, 596622, 673112, 795496, 841390, 917880, 994370, 1009668, 1093807, 1193244, 1262085, 1491555, 1682780, 1988740, 2019336, 2187614, 2386488, 2524170, 2983110, 3281421, 3365560, 3977480, 4375228, 5048340, 5469035, 5966220, 6562842, 8750456, 10096680, 10938070, 11932440, 13125684, 16407105, 21876140, 26251368, 32814210, 43752280, 65628420, 131256840]

約数ペア:

[(1, 131256840), (2, 65628420), (3, 43752280), (4, 32814210), (5, 26251368), (6, 21876140), (8, 16407105), (10, 13125684), (11, 11932440), (12, 10938070), (13, 10096680), (15, 8750456), (20, 6562842), (22, 5966220), (24, 5469035), (26, 5048340), (30, 4375228), (33, 3977480), (39, 3365560), (40, 3281421), (44, 2983110), (52, 2524170), (55, 2386488), (60, 2187614), (65, 2019336), (66, 1988740), (78, 1682780), (88, 1491555), (104, 1262085), (110, 1193244), (120, 1093807), (130, 1009668), (132, 994370), (143, 917880), (156, 841390), (165, 795496), (195, 673112), (220, 596622), (260, 504834), (264, 497185), (286, 458940), (312, 420695), (330, 397748), (390, 336556), (429, 305960), (440, 298311), (520, 252417), (572, 229470), (660, 198874), (715, 183576), (780, 168278), (858, 152980), (1144, 114735), (1320, 99437), (1430, 91788), (1560, 84139), (1716, 76490), (2145, 61192), (2860, 45894), (3432, 38245), (4290, 30596), (5720, 22947), (7649, 17160), (8580, 15298)]