1240388820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2969}}^1$

素因数の和:3206

約数の個数: 144

約数和(自身を含む): 4125401280

約数和(自身を除く): 2885012460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 211, 220, 330, 396, 422, 495, 633, 660, 844, 990, 1055, 1266, 1899, 1980, 2110, 2321, 2532, 2969, 3165, 3798, 4220, 4642, 5938, 6330, 6963, 7596, 8907, 9284, 9495, 11605, 11876, 12660, 13926, 14845, 17814, 18990, 20889, 23210, 26721, 27852, 29690, 32659, 34815, 35628, 37980, 41778, 44535, 46420, 53442, 59380, 65318, 69630, 83556, 89070, 97977, 104445, 106884, 130636, 133605, 139260, 163295, 178140, 195954, 208890, 267210, 293931, 326590, 391908, 417780, 489885, 534420, 587862, 626459, 653180, 979770, 1175724, 1252918, 1469655, 1879377, 1959540, 2505836, 2939310, 3132295, 3758754, 5638131, 5878620, 6264590, 6891049, 7517508, 9396885, 11276262, 12529180, 13782098, 18793770, 20673147, 22552524, 27564196, 28190655, 34455245, 37587540, 41346294, 56381310, 62019441, 68910490, 82692588, 103365735, 112762620, 124038882, 137820980, 206731470, 248077764, 310097205, 413462940, 620194410, 1240388820]

約数ペア:

[(1, 1240388820), (2, 620194410), (3, 413462940), (4, 310097205), (5, 248077764), (6, 206731470), (9, 137820980), (10, 124038882), (11, 112762620), (12, 103365735), (15, 82692588), (18, 68910490), (20, 62019441), (22, 56381310), (30, 41346294), (33, 37587540), (36, 34455245), (44, 28190655), (45, 27564196), (55, 22552524), (60, 20673147), (66, 18793770), (90, 13782098), (99, 12529180), (110, 11276262), (132, 9396885), (165, 7517508), (180, 6891049), (198, 6264590), (211, 5878620), (220, 5638131), (330, 3758754), (396, 3132295), (422, 2939310), (495, 2505836), (633, 1959540), (660, 1879377), (844, 1469655), (990, 1252918), (1055, 1175724), (1266, 979770), (1899, 653180), (1980, 626459), (2110, 587862), (2321, 534420), (2532, 489885), (2969, 417780), (3165, 391908), (3798, 326590), (4220, 293931), (4642, 267210), (5938, 208890), (6330, 195954), (6963, 178140), (7596, 163295), (8907, 139260), (9284, 133605), (9495, 130636), (11605, 106884), (11876, 104445), (12660, 97977), (13926, 89070), (14845, 83556), (17814, 69630), (18990, 65318), (20889, 59380), (23210, 53442), (26721, 46420), (27852, 44535), (29690, 41778), (32659, 37980), (34815, 35628)]