256206564

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{13873}}^1$

素因数の和:13911

約数の個数: 72

約数和(自身を含む): 707019040

約数和(自身を除く): 450812476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1539, 2052, 3078, 4617, 6156, 9234, 13873, 18468, 27746, 41619, 55492, 83238, 124857, 166476, 249714, 263587, 374571, 499428, 527174, 749142, 790761, 1054348, 1123713, 1498284, 1581522, 2247426, 2372283, 3163044, 3371139, 4494852, 4744566, 6742278, 7116849, 9489132, 13484556, 14233698, 21350547, 28467396, 42701094, 64051641, 85402188, 128103282, 256206564]

約数ペア:

[(1, 256206564), (2, 128103282), (3, 85402188), (4, 64051641), (6, 42701094), (9, 28467396), (12, 21350547), (18, 14233698), (19, 13484556), (27, 9489132), (36, 7116849), (38, 6742278), (54, 4744566), (57, 4494852), (76, 3371139), (81, 3163044), (108, 2372283), (114, 2247426), (162, 1581522), (171, 1498284), (228, 1123713), (243, 1054348), (324, 790761), (342, 749142), (486, 527174), (513, 499428), (684, 374571), (972, 263587), (1026, 249714), (1539, 166476), (2052, 124857), (3078, 83238), (4617, 55492), (6156, 41619), (9234, 27746), (13873, 18468)]