280637544

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 806215680

約数和(自身を除く): 525578136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 53, 62, 66, 88, 93, 106, 124, 132, 159, 186, 212, 248, 264, 318, 341, 372, 424, 583, 636, 647, 682, 744, 1023, 1166, 1272, 1294, 1364, 1643, 1749, 1941, 2046, 2332, 2588, 2728, 3286, 3498, 3882, 4092, 4664, 4929, 5176, 6572, 6996, 7117, 7764, 8184, 9858, 13144, 13992, 14234, 15528, 18073, 19716, 20057, 21351, 28468, 34291, 36146, 39432, 40114, 42702, 54219, 56936, 60171, 68582, 72292, 80228, 85404, 102873, 108438, 120342, 137164, 144584, 160456, 170808, 205746, 216876, 220627, 240684, 274328, 377201, 411492, 433752, 441254, 481368, 661881, 754402, 822984, 882508, 1063021, 1131603, 1323762, 1508804, 1765016, 2126042, 2263206, 2647524, 3017608, 3189063, 4252084, 4526412, 5295048, 6378126, 8504168, 9052824, 11693231, 12756252, 23386462, 25512504, 35079693, 46772924, 70159386, 93545848, 140318772, 280637544]

約数ペア:

[(1, 280637544), (2, 140318772), (3, 93545848), (4, 70159386), (6, 46772924), (8, 35079693), (11, 25512504), (12, 23386462), (22, 12756252), (24, 11693231), (31, 9052824), (33, 8504168), (44, 6378126), (53, 5295048), (62, 4526412), (66, 4252084), (88, 3189063), (93, 3017608), (106, 2647524), (124, 2263206), (132, 2126042), (159, 1765016), (186, 1508804), (212, 1323762), (248, 1131603), (264, 1063021), (318, 882508), (341, 822984), (372, 754402), (424, 661881), (583, 481368), (636, 441254), (647, 433752), (682, 411492), (744, 377201), (1023, 274328), (1166, 240684), (1272, 220627), (1294, 216876), (1364, 205746), (1643, 170808), (1749, 160456), (1941, 144584), (2046, 137164), (2332, 120342), (2588, 108438), (2728, 102873), (3286, 85404), (3498, 80228), (3882, 72292), (4092, 68582), (4664, 60171), (4929, 56936), (5176, 54219), (6572, 42702), (6996, 40114), (7117, 39432), (7764, 36146), (8184, 34291), (9858, 28468), (13144, 21351), (13992, 20057), (14234, 19716), (15528, 18073)]