131277720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1193}}^1$

素因数の和:1345

約数の個数: 128

約数和(自身を含む): 453911040

約数和(自身を除く): 322633320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1193, 1310, 1572, 1834, 1965, 2386, 2620, 2751, 3144, 3579, 3668, 3930, 4585, 4772, 5240, 5502, 5965, 7158, 7336, 7860, 8351, 9170, 9544, 11004, 11930, 13755, 14316, 15720, 16702, 17895, 18340, 22008, 23860, 25053, 27510, 28632, 33404, 35790, 36680, 41755, 47720, 50106, 55020, 66808, 71580, 83510, 100212, 110040, 125265, 143160, 156283, 167020, 200424, 250530, 312566, 334040, 468849, 501060, 625132, 781415, 937698, 1002120, 1093981, 1250264, 1562830, 1875396, 2187962, 2344245, 3125660, 3281943, 3750792, 4375924, 4688490, 5469905, 6251320, 6563886, 8751848, 9376980, 10939810, 13127772, 16409715, 18753960, 21879620, 26255544, 32819430, 43759240, 65638860, 131277720]

約数ペア:

[(1, 131277720), (2, 65638860), (3, 43759240), (4, 32819430), (5, 26255544), (6, 21879620), (7, 18753960), (8, 16409715), (10, 13127772), (12, 10939810), (14, 9376980), (15, 8751848), (20, 6563886), (21, 6251320), (24, 5469905), (28, 4688490), (30, 4375924), (35, 3750792), (40, 3281943), (42, 3125660), (56, 2344245), (60, 2187962), (70, 1875396), (84, 1562830), (105, 1250264), (120, 1093981), (131, 1002120), (140, 937698), (168, 781415), (210, 625132), (262, 501060), (280, 468849), (393, 334040), (420, 312566), (524, 250530), (655, 200424), (786, 167020), (840, 156283), (917, 143160), (1048, 125265), (1193, 110040), (1310, 100212), (1572, 83510), (1834, 71580), (1965, 66808), (2386, 55020), (2620, 50106), (2751, 47720), (3144, 41755), (3579, 36680), (3668, 35790), (3930, 33404), (4585, 28632), (4772, 27510), (5240, 25053), (5502, 23860), (5965, 22008), (7158, 18340), (7336, 17895), (7860, 16702), (8351, 15720), (9170, 14316), (9544, 13755), (11004, 11930)]