261189012

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 192

約数和(自身を含む): 774144000

約数和(自身を除く): 512954988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 49, 62, 69, 84, 89, 92, 93, 98, 124, 138, 147, 161, 178, 186, 196, 217, 267, 276, 294, 322, 343, 356, 372, 434, 483, 534, 588, 623, 644, 651, 686, 713, 868, 966, 1029, 1068, 1127, 1246, 1302, 1372, 1426, 1519, 1869, 1932, 2047, 2058, 2139, 2254, 2492, 2604, 2759, 2852, 3038, 3381, 3738, 4094, 4116, 4278, 4361, 4508, 4557, 4991, 5518, 6076, 6141, 6762, 7476, 7889, 8188, 8277, 8556, 8722, 9114, 9982, 10633, 11036, 12282, 13083, 13524, 14329, 14973, 15778, 16554, 17444, 18228, 19313, 19964, 21266, 23667, 24564, 26166, 28658, 29946, 30527, 31556, 31899, 33108, 34937, 38626, 42532, 42987, 47334, 52332, 57316, 57939, 59892, 61054, 63457, 63798, 69874, 77252, 85974, 91581, 94668, 100303, 104811, 115878, 122108, 126914, 127596, 135191, 139748, 171948, 183162, 190371, 200606, 209622, 231756, 244559, 253828, 270382, 300909, 366324, 380742, 401212, 405573, 419244, 444199, 489118, 540764, 601818, 702121, 733677, 761484, 811146, 888398, 946337, 978236, 1203636, 1332597, 1404242, 1467354, 1622292, 1776796, 1892674, 2106363, 2665194, 2808484, 2839011, 2934708, 3109393, 3785348, 4212726, 5330388, 5678022, 6218786, 8425452, 9328179, 11356044, 12437572, 18656358, 21765751, 37312716, 43531502, 65297253, 87063004, 130594506, 261189012]

約数ペア:

[(1, 261189012), (2, 130594506), (3, 87063004), (4, 65297253), (6, 43531502), (7, 37312716), (12, 21765751), (14, 18656358), (21, 12437572), (23, 11356044), (28, 9328179), (31, 8425452), (42, 6218786), (46, 5678022), (49, 5330388), (62, 4212726), (69, 3785348), (84, 3109393), (89, 2934708), (92, 2839011), (93, 2808484), (98, 2665194), (124, 2106363), (138, 1892674), (147, 1776796), (161, 1622292), (178, 1467354), (186, 1404242), (196, 1332597), (217, 1203636), (267, 978236), (276, 946337), (294, 888398), (322, 811146), (343, 761484), (356, 733677), (372, 702121), (434, 601818), (483, 540764), (534, 489118), (588, 444199), (623, 419244), (644, 405573), (651, 401212), (686, 380742), (713, 366324), (868, 300909), (966, 270382), (1029, 253828), (1068, 244559), (1127, 231756), (1246, 209622), (1302, 200606), (1372, 190371), (1426, 183162), (1519, 171948), (1869, 139748), (1932, 135191), (2047, 127596), (2058, 126914), (2139, 122108), (2254, 115878), (2492, 104811), (2604, 100303), (2759, 94668), (2852, 91581), (3038, 85974), (3381, 77252), (3738, 69874), (4094, 63798), (4116, 63457), (4278, 61054), (4361, 59892), (4508, 57939), (4557, 57316), (4991, 52332), (5518, 47334), (6076, 42987), (6141, 42532), (6762, 38626), (7476, 34937), (7889, 33108), (8188, 31899), (8277, 31556), (8556, 30527), (8722, 29946), (9114, 28658), (9982, 26166), (10633, 24564), (11036, 23667), (12282, 21266), (13083, 19964), (13524, 19313), (14329, 18228), (14973, 17444), (15778, 16554)]