55210260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 182710080

約数和(自身を除く): 127499820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 211, 245, 267, 294, 356, 420, 422, 445, 490, 534, 588, 623, 633, 735, 844, 890, 980, 1055, 1068, 1246, 1266, 1335, 1470, 1477, 1780, 1869, 2110, 2492, 2532, 2670, 2940, 2954, 3115, 3165, 3738, 4220, 4361, 4431, 5340, 5908, 6230, 6330, 7385, 7476, 8722, 8862, 9345, 10339, 12460, 12660, 13083, 14770, 17444, 17724, 18690, 18779, 20678, 21805, 22155, 26166, 29540, 31017, 37380, 37558, 41356, 43610, 44310, 51695, 52332, 56337, 62034, 65415, 75116, 87220, 88620, 93895, 103390, 112674, 124068, 130830, 131453, 155085, 187790, 206780, 225348, 261660, 262906, 281685, 310170, 375580, 394359, 525812, 563370, 620340, 657265, 788718, 920171, 1126740, 1314530, 1577436, 1840342, 1971795, 2629060, 2760513, 3680684, 3943590, 4600855, 5521026, 7887180, 9201710, 11042052, 13802565, 18403420, 27605130, 55210260]

約数ペア:

[(1, 55210260), (2, 27605130), (3, 18403420), (4, 13802565), (5, 11042052), (6, 9201710), (7, 7887180), (10, 5521026), (12, 4600855), (14, 3943590), (15, 3680684), (20, 2760513), (21, 2629060), (28, 1971795), (30, 1840342), (35, 1577436), (42, 1314530), (49, 1126740), (60, 920171), (70, 788718), (84, 657265), (89, 620340), (98, 563370), (105, 525812), (140, 394359), (147, 375580), (178, 310170), (196, 281685), (210, 262906), (211, 261660), (245, 225348), (267, 206780), (294, 187790), (356, 155085), (420, 131453), (422, 130830), (445, 124068), (490, 112674), (534, 103390), (588, 93895), (623, 88620), (633, 87220), (735, 75116), (844, 65415), (890, 62034), (980, 56337), (1055, 52332), (1068, 51695), (1246, 44310), (1266, 43610), (1335, 41356), (1470, 37558), (1477, 37380), (1780, 31017), (1869, 29540), (2110, 26166), (2492, 22155), (2532, 21805), (2670, 20678), (2940, 18779), (2954, 18690), (3115, 17724), (3165, 17444), (3738, 14770), (4220, 13083), (4361, 12660), (4431, 12460), (5340, 10339), (5908, 9345), (6230, 8862), (6330, 8722), (7385, 7476)]