261489816

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1061}}^1$

素因数の和:1246

約数の個数: 128

約数和(自身を含む): 836006400

約数和(自身を除く): 574516584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 163, 168, 189, 216, 252, 326, 378, 489, 504, 652, 756, 978, 1061, 1141, 1304, 1467, 1512, 1956, 2122, 2282, 2934, 3183, 3423, 3912, 4244, 4401, 4564, 5868, 6366, 6846, 7427, 8488, 8802, 9128, 9549, 10269, 11736, 12732, 13692, 14854, 17604, 19098, 20538, 22281, 25464, 27384, 28647, 29708, 30807, 35208, 38196, 41076, 44562, 57294, 59416, 61614, 66843, 76392, 82152, 89124, 114588, 123228, 133686, 172943, 178248, 200529, 229176, 246456, 267372, 345886, 401058, 518829, 534744, 691772, 802116, 1037658, 1210601, 1383544, 1556487, 1604232, 2075316, 2421202, 3112974, 3631803, 4150632, 4669461, 4842404, 6225948, 7263606, 9338922, 9684808, 10895409, 12451896, 14527212, 18677844, 21790818, 29054424, 32686227, 37355688, 43581636, 65372454, 87163272, 130744908, 261489816]

約数ペア:

[(1, 261489816), (2, 130744908), (3, 87163272), (4, 65372454), (6, 43581636), (7, 37355688), (8, 32686227), (9, 29054424), (12, 21790818), (14, 18677844), (18, 14527212), (21, 12451896), (24, 10895409), (27, 9684808), (28, 9338922), (36, 7263606), (42, 6225948), (54, 4842404), (56, 4669461), (63, 4150632), (72, 3631803), (84, 3112974), (108, 2421202), (126, 2075316), (163, 1604232), (168, 1556487), (189, 1383544), (216, 1210601), (252, 1037658), (326, 802116), (378, 691772), (489, 534744), (504, 518829), (652, 401058), (756, 345886), (978, 267372), (1061, 246456), (1141, 229176), (1304, 200529), (1467, 178248), (1512, 172943), (1956, 133686), (2122, 123228), (2282, 114588), (2934, 89124), (3183, 82152), (3423, 76392), (3912, 66843), (4244, 61614), (4401, 59416), (4564, 57294), (5868, 44562), (6366, 41076), (6846, 38196), (7427, 35208), (8488, 30807), (8802, 29708), (9128, 28647), (9549, 27384), (10269, 25464), (11736, 22281), (12732, 20538), (13692, 19098), (14854, 17604)]