261290568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4561}}^1$

素因数の和:4619

約数の個数: 128

約数和(自身を含む): 840867840

約数和(自身を除く): 579577272

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 372, 434, 462, 616, 651, 682, 744, 868, 924, 1023, 1302, 1364, 1736, 1848, 2046, 2387, 2604, 2728, 4092, 4561, 4774, 5208, 7161, 8184, 9122, 9548, 13683, 14322, 18244, 19096, 27366, 28644, 31927, 36488, 50171, 54732, 57288, 63854, 95781, 100342, 109464, 127708, 141391, 150513, 191562, 200684, 255416, 282782, 301026, 351197, 383124, 401368, 424173, 565564, 602052, 702394, 766248, 848346, 989737, 1053591, 1131128, 1204104, 1404788, 1555301, 1696692, 1979474, 2107182, 2809576, 2969211, 3110602, 3393384, 3958948, 4214364, 4665903, 5938422, 6221204, 7917896, 8428728, 9331806, 10887107, 11876844, 12442408, 18663612, 21774214, 23753688, 32661321, 37327224, 43548428, 65322642, 87096856, 130645284, 261290568]

約数ペア:

[(1, 261290568), (2, 130645284), (3, 87096856), (4, 65322642), (6, 43548428), (7, 37327224), (8, 32661321), (11, 23753688), (12, 21774214), (14, 18663612), (21, 12442408), (22, 11876844), (24, 10887107), (28, 9331806), (31, 8428728), (33, 7917896), (42, 6221204), (44, 5938422), (56, 4665903), (62, 4214364), (66, 3958948), (77, 3393384), (84, 3110602), (88, 2969211), (93, 2809576), (124, 2107182), (132, 1979474), (154, 1696692), (168, 1555301), (186, 1404788), (217, 1204104), (231, 1131128), (248, 1053591), (264, 989737), (308, 848346), (341, 766248), (372, 702394), (434, 602052), (462, 565564), (616, 424173), (651, 401368), (682, 383124), (744, 351197), (868, 301026), (924, 282782), (1023, 255416), (1302, 200684), (1364, 191562), (1736, 150513), (1848, 141391), (2046, 127708), (2387, 109464), (2604, 100342), (2728, 95781), (4092, 63854), (4561, 57288), (4774, 54732), (5208, 50171), (7161, 36488), (8184, 31927), (9122, 28644), (9548, 27366), (13683, 19096), (14322, 18244)]