256509984

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^2\times {\mathrm{5051}}^1$

素因数の和:5110

約数の個数: 72

約数和(自身を含む): 704026512

約数和(自身を除く): 447516528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 529, 552, 736, 1058, 1104, 1587, 2116, 2208, 3174, 4232, 5051, 6348, 8464, 10102, 12696, 15153, 16928, 20204, 25392, 30306, 40408, 50784, 60612, 80816, 116173, 121224, 161632, 232346, 242448, 348519, 464692, 484896, 697038, 929384, 1394076, 1858768, 2671979, 2788152, 3717536, 5343958, 5576304, 8015937, 10687916, 11152608, 16031874, 21375832, 32063748, 42751664, 64127496, 85503328, 128254992, 256509984]

約数ペア:

[(1, 256509984), (2, 128254992), (3, 85503328), (4, 64127496), (6, 42751664), (8, 32063748), (12, 21375832), (16, 16031874), (23, 11152608), (24, 10687916), (32, 8015937), (46, 5576304), (48, 5343958), (69, 3717536), (92, 2788152), (96, 2671979), (138, 1858768), (184, 1394076), (276, 929384), (368, 697038), (529, 484896), (552, 464692), (736, 348519), (1058, 242448), (1104, 232346), (1587, 161632), (2116, 121224), (2208, 116173), (3174, 80816), (4232, 60612), (5051, 50784), (6348, 40408), (8464, 30306), (10102, 25392), (12696, 20204), (15153, 16928)]