256638060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:952

約数の個数: 144

約数和(自身を含む): 893745216

約数和(自身を除く): 637107156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 353, 420, 577, 630, 706, 1059, 1154, 1260, 1412, 1731, 1765, 2118, 2308, 2471, 2885, 3177, 3462, 3530, 4039, 4236, 4942, 5193, 5295, 5770, 6354, 6924, 7060, 7413, 8078, 8655, 9884, 10386, 10590, 11540, 12117, 12355, 12708, 14826, 15885, 16156, 17310, 20195, 20772, 21180, 22239, 24234, 24710, 25965, 29652, 31770, 34620, 36351, 37065, 40390, 44478, 48468, 49420, 51930, 60585, 63540, 72702, 74130, 80780, 88956, 103860, 111195, 121170, 145404, 148260, 181755, 203681, 222390, 242340, 363510, 407362, 444780, 611043, 727020, 814724, 1018405, 1222086, 1425767, 1833129, 2036810, 2444172, 2851534, 3055215, 3666258, 4073620, 4277301, 5703068, 6110430, 7128835, 7332516, 8554602, 9165645, 12220860, 12831903, 14257670, 17109204, 18331290, 21386505, 25663806, 28515340, 36662580, 42773010, 51327612, 64159515, 85546020, 128319030, 256638060]

約数ペア:

[(1, 256638060), (2, 128319030), (3, 85546020), (4, 64159515), (5, 51327612), (6, 42773010), (7, 36662580), (9, 28515340), (10, 25663806), (12, 21386505), (14, 18331290), (15, 17109204), (18, 14257670), (20, 12831903), (21, 12220860), (28, 9165645), (30, 8554602), (35, 7332516), (36, 7128835), (42, 6110430), (45, 5703068), (60, 4277301), (63, 4073620), (70, 3666258), (84, 3055215), (90, 2851534), (105, 2444172), (126, 2036810), (140, 1833129), (180, 1425767), (210, 1222086), (252, 1018405), (315, 814724), (353, 727020), (420, 611043), (577, 444780), (630, 407362), (706, 363510), (1059, 242340), (1154, 222390), (1260, 203681), (1412, 181755), (1731, 148260), (1765, 145404), (2118, 121170), (2308, 111195), (2471, 103860), (2885, 88956), (3177, 80780), (3462, 74130), (3530, 72702), (4039, 63540), (4236, 60585), (4942, 51930), (5193, 49420), (5295, 48468), (5770, 44478), (6354, 40390), (6924, 37065), (7060, 36351), (7413, 34620), (8078, 31770), (8655, 29652), (9884, 25965), (10386, 24710), (10590, 24234), (11540, 22239), (12117, 21180), (12355, 20772), (12708, 20195), (14826, 17310), (15885, 16156)]