256089912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 727695360

約数和(自身を除く): 471605448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 127, 138, 156, 184, 254, 276, 281, 299, 312, 381, 508, 552, 562, 598, 762, 843, 897, 1016, 1124, 1196, 1524, 1651, 1686, 1794, 2248, 2392, 2921, 3048, 3302, 3372, 3588, 3653, 4953, 5842, 6463, 6604, 6744, 7176, 7306, 8763, 9906, 10959, 11684, 12926, 13208, 14612, 17526, 19389, 19812, 21918, 23368, 25852, 29224, 35052, 35687, 37973, 38778, 39624, 43836, 51704, 70104, 71374, 75946, 77556, 84019, 87672, 107061, 113919, 142748, 151892, 155112, 168038, 214122, 227838, 252057, 285496, 303784, 336076, 428244, 455676, 463931, 504114, 672152, 820801, 856488, 911352, 927862, 1008228, 1391793, 1641602, 1855724, 2016456, 2462403, 2783586, 3283204, 3711448, 4924806, 5567172, 6566408, 9849612, 10670413, 11134344, 19699224, 21340826, 32011239, 42681652, 64022478, 85363304, 128044956, 256089912]

約数ペア:

[(1, 256089912), (2, 128044956), (3, 85363304), (4, 64022478), (6, 42681652), (8, 32011239), (12, 21340826), (13, 19699224), (23, 11134344), (24, 10670413), (26, 9849612), (39, 6566408), (46, 5567172), (52, 4924806), (69, 3711448), (78, 3283204), (92, 2783586), (104, 2462403), (127, 2016456), (138, 1855724), (156, 1641602), (184, 1391793), (254, 1008228), (276, 927862), (281, 911352), (299, 856488), (312, 820801), (381, 672152), (508, 504114), (552, 463931), (562, 455676), (598, 428244), (762, 336076), (843, 303784), (897, 285496), (1016, 252057), (1124, 227838), (1196, 214122), (1524, 168038), (1651, 155112), (1686, 151892), (1794, 142748), (2248, 113919), (2392, 107061), (2921, 87672), (3048, 84019), (3302, 77556), (3372, 75946), (3588, 71374), (3653, 70104), (4953, 51704), (5842, 43836), (6463, 39624), (6604, 38778), (6744, 37973), (7176, 35687), (7306, 35052), (8763, 29224), (9906, 25852), (10959, 23368), (11684, 21918), (12926, 19812), (13208, 19389), (14612, 17526)]