256460976

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{20011}}^1$

素因数の和:20114

約数の個数: 60

約数和(自身を含む): 725835240

約数和(自身を除く): 469374264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 3204, 4272, 6408, 12816, 20011, 40022, 60033, 80044, 120066, 160088, 180099, 240132, 320176, 360198, 480264, 720396, 960528, 1440792, 1780979, 2881584, 3561958, 5342937, 7123916, 10685874, 14247832, 16028811, 21371748, 28495664, 32057622, 42743496, 64115244, 85486992, 128230488, 256460976]

約数ペア:

[(1, 256460976), (2, 128230488), (3, 85486992), (4, 64115244), (6, 42743496), (8, 32057622), (9, 28495664), (12, 21371748), (16, 16028811), (18, 14247832), (24, 10685874), (36, 7123916), (48, 5342937), (72, 3561958), (89, 2881584), (144, 1780979), (178, 1440792), (267, 960528), (356, 720396), (534, 480264), (712, 360198), (801, 320176), (1068, 240132), (1424, 180099), (1602, 160088), (2136, 120066), (3204, 80044), (4272, 60033), (6408, 40022), (12816, 20011)]