161243264

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 402124800

約数和(自身を除く): 240881536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 109, 112, 127, 128, 182, 208, 218, 224, 254, 364, 416, 436, 448, 508, 728, 763, 832, 872, 889, 896, 1016, 1417, 1456, 1526, 1651, 1664, 1744, 1778, 2032, 2834, 2912, 3052, 3302, 3488, 3556, 4064, 5668, 5824, 6104, 6604, 6976, 7112, 8128, 9919, 11336, 11557, 11648, 12208, 13208, 13843, 13952, 14224, 16256, 19838, 22672, 23114, 24416, 26416, 27686, 28448, 39676, 45344, 46228, 48832, 52832, 55372, 56896, 79352, 90688, 92456, 96901, 97664, 105664, 110744, 113792, 158704, 179959, 181376, 184912, 193802, 211328, 221488, 317408, 359918, 369824, 387604, 442976, 634816, 719836, 739648, 775208, 885952, 1259713, 1269632, 1439672, 1479296, 1550416, 1771904, 2519426, 2879344, 3100832, 5038852, 5758688, 6201664, 10077704, 11517376, 12403328, 20155408, 23034752, 40310816, 80621632, 161243264]

約数ペア:

[(1, 161243264), (2, 80621632), (4, 40310816), (7, 23034752), (8, 20155408), (13, 12403328), (14, 11517376), (16, 10077704), (26, 6201664), (28, 5758688), (32, 5038852), (52, 3100832), (56, 2879344), (64, 2519426), (91, 1771904), (104, 1550416), (109, 1479296), (112, 1439672), (127, 1269632), (128, 1259713), (182, 885952), (208, 775208), (218, 739648), (224, 719836), (254, 634816), (364, 442976), (416, 387604), (436, 369824), (448, 359918), (508, 317408), (728, 221488), (763, 211328), (832, 193802), (872, 184912), (889, 181376), (896, 179959), (1016, 158704), (1417, 113792), (1456, 110744), (1526, 105664), (1651, 97664), (1664, 96901), (1744, 92456), (1778, 90688), (2032, 79352), (2834, 56896), (2912, 55372), (3052, 52832), (3302, 48832), (3488, 46228), (3556, 45344), (4064, 39676), (5668, 28448), (5824, 27686), (6104, 26416), (6604, 24416), (6976, 23114), (7112, 22672), (8128, 19838), (9919, 16256), (11336, 14224), (11557, 13952), (11648, 13843), (12208, 13208)]