281120664

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 805593600

約数和(自身を除く): 524472936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 58, 66, 73, 87, 88, 116, 132, 146, 174, 219, 232, 264, 292, 319, 348, 438, 503, 584, 638, 696, 803, 876, 957, 1006, 1276, 1509, 1606, 1752, 1914, 2012, 2117, 2409, 2552, 3018, 3212, 3828, 4024, 4234, 4818, 5533, 6036, 6351, 6424, 7656, 8468, 9636, 11066, 12072, 12702, 14587, 16599, 16936, 19272, 22132, 23287, 25404, 29174, 33198, 36719, 43761, 44264, 46574, 50808, 58348, 66396, 69861, 73438, 87522, 93148, 110157, 116696, 132792, 139722, 146876, 160457, 175044, 186296, 220314, 279444, 293752, 320914, 350088, 403909, 440628, 481371, 558888, 641828, 807818, 881256, 962742, 1064851, 1211727, 1283656, 1615636, 1925484, 2129702, 2423454, 3194553, 3231272, 3850968, 4259404, 4846908, 6389106, 8518808, 9693816, 11713361, 12778212, 23426722, 25556424, 35140083, 46853444, 70280166, 93706888, 140560332, 281120664]

約数ペア:

[(1, 281120664), (2, 140560332), (3, 93706888), (4, 70280166), (6, 46853444), (8, 35140083), (11, 25556424), (12, 23426722), (22, 12778212), (24, 11713361), (29, 9693816), (33, 8518808), (44, 6389106), (58, 4846908), (66, 4259404), (73, 3850968), (87, 3231272), (88, 3194553), (116, 2423454), (132, 2129702), (146, 1925484), (174, 1615636), (219, 1283656), (232, 1211727), (264, 1064851), (292, 962742), (319, 881256), (348, 807818), (438, 641828), (503, 558888), (584, 481371), (638, 440628), (696, 403909), (803, 350088), (876, 320914), (957, 293752), (1006, 279444), (1276, 220314), (1509, 186296), (1606, 175044), (1752, 160457), (1914, 146876), (2012, 139722), (2117, 132792), (2409, 116696), (2552, 110157), (3018, 93148), (3212, 87522), (3828, 73438), (4024, 69861), (4234, 66396), (4818, 58348), (5533, 50808), (6036, 46574), (6351, 44264), (6424, 43761), (7656, 36719), (8468, 33198), (9636, 29174), (11066, 25404), (12072, 23287), (12702, 22132), (14587, 19272), (16599, 16936)]