256499424

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{10007}}^1$

素因数の和:10112

約数の個数: 72

約数和(自身を含む): 737689680

約数和(自身を除く): 481190256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 2848, 3204, 4272, 6408, 8544, 10007, 12816, 20014, 25632, 30021, 40028, 60042, 80056, 90063, 120084, 160112, 180126, 240168, 320224, 360252, 480336, 720504, 890623, 960672, 1441008, 1781246, 2671869, 2882016, 3562492, 5343738, 7124984, 8015607, 10687476, 14249968, 16031214, 21374952, 28499936, 32062428, 42749904, 64124856, 85499808, 128249712, 256499424]

約数ペア:

[(1, 256499424), (2, 128249712), (3, 85499808), (4, 64124856), (6, 42749904), (8, 32062428), (9, 28499936), (12, 21374952), (16, 16031214), (18, 14249968), (24, 10687476), (32, 8015607), (36, 7124984), (48, 5343738), (72, 3562492), (89, 2882016), (96, 2671869), (144, 1781246), (178, 1441008), (267, 960672), (288, 890623), (356, 720504), (534, 480336), (712, 360252), (801, 320224), (1068, 240168), (1424, 180126), (1602, 160112), (2136, 120084), (2848, 90063), (3204, 80056), (4272, 60042), (6408, 40028), (8544, 30021), (10007, 25632), (12816, 20014)]