256810464

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{13309}}^1$

素因数の和:13392

約数の個数: 72

約数和(自身を含む): 741260520

約数和(自身を除く): 484450056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 96, 134, 144, 201, 268, 288, 402, 536, 603, 804, 1072, 1206, 1608, 2144, 2412, 3216, 4824, 6432, 9648, 13309, 19296, 26618, 39927, 53236, 79854, 106472, 119781, 159708, 212944, 239562, 319416, 425888, 479124, 638832, 891703, 958248, 1277664, 1783406, 1916496, 2675109, 3566812, 3832992, 5350218, 7133624, 8025327, 10700436, 14267248, 16050654, 21400872, 28534496, 32101308, 42801744, 64202616, 85603488, 128405232, 256810464]

約数ペア:

[(1, 256810464), (2, 128405232), (3, 85603488), (4, 64202616), (6, 42801744), (8, 32101308), (9, 28534496), (12, 21400872), (16, 16050654), (18, 14267248), (24, 10700436), (32, 8025327), (36, 7133624), (48, 5350218), (67, 3832992), (72, 3566812), (96, 2675109), (134, 1916496), (144, 1783406), (201, 1277664), (268, 958248), (288, 891703), (402, 638832), (536, 479124), (603, 425888), (804, 319416), (1072, 239562), (1206, 212944), (1608, 159708), (2144, 119781), (2412, 106472), (3216, 79854), (4824, 53236), (6432, 39927), (9648, 26618), (13309, 19296)]