131278290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 128

約数和(自身を含む): 376233984

約数和(自身を除く): 244955694

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 71, 78, 110, 130, 142, 143, 165, 195, 213, 286, 330, 355, 390, 426, 429, 431, 710, 715, 781, 858, 862, 923, 1065, 1293, 1430, 1562, 1846, 2130, 2145, 2155, 2343, 2586, 2769, 3905, 4290, 4310, 4615, 4686, 4741, 5538, 5603, 6465, 7810, 9230, 9482, 10153, 11206, 11715, 12930, 13845, 14223, 16809, 20306, 23430, 23705, 27690, 28015, 28446, 30459, 30601, 33618, 47410, 50765, 56030, 60918, 61202, 61633, 71115, 84045, 91803, 101530, 123266, 142230, 152295, 153005, 168090, 183606, 184899, 304590, 306010, 308165, 336611, 369798, 397813, 459015, 616330, 673222, 795626, 918030, 924495, 1009833, 1193439, 1683055, 1848990, 1989065, 2019666, 2386878, 3366110, 3978130, 4375943, 5049165, 5967195, 8751886, 10098330, 11934390, 13127829, 21879715, 26255658, 43759430, 65639145, 131278290]

約数ペア:

[(1, 131278290), (2, 65639145), (3, 43759430), (5, 26255658), (6, 21879715), (10, 13127829), (11, 11934390), (13, 10098330), (15, 8751886), (22, 5967195), (26, 5049165), (30, 4375943), (33, 3978130), (39, 3366110), (55, 2386878), (65, 2019666), (66, 1989065), (71, 1848990), (78, 1683055), (110, 1193439), (130, 1009833), (142, 924495), (143, 918030), (165, 795626), (195, 673222), (213, 616330), (286, 459015), (330, 397813), (355, 369798), (390, 336611), (426, 308165), (429, 306010), (431, 304590), (710, 184899), (715, 183606), (781, 168090), (858, 153005), (862, 152295), (923, 142230), (1065, 123266), (1293, 101530), (1430, 91803), (1562, 84045), (1846, 71115), (2130, 61633), (2145, 61202), (2155, 60918), (2343, 56030), (2586, 50765), (2769, 47410), (3905, 33618), (4290, 30601), (4310, 30459), (4615, 28446), (4686, 28015), (4741, 27690), (5538, 23705), (5603, 23430), (6465, 20306), (7810, 16809), (9230, 14223), (9482, 13845), (10153, 12930), (11206, 11715)]