256899120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1787}}^1$

素因数の和:2402

約数の個数: 80

約数和(自身を含む): 798163200

約数和(自身を除く): 541264080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 599, 1198, 1787, 1797, 2396, 2995, 3574, 3594, 4792, 5361, 5990, 7148, 7188, 8935, 8985, 9584, 10722, 11980, 14296, 14376, 17870, 17970, 21444, 23960, 26805, 28592, 28752, 35740, 35940, 42888, 47920, 53610, 71480, 71880, 85776, 107220, 142960, 143760, 214440, 428880, 1070413, 2140826, 3211239, 4281652, 5352065, 6422478, 8563304, 10704130, 12844956, 16056195, 17126608, 21408260, 25689912, 32112390, 42816520, 51379824, 64224780, 85633040, 128449560, 256899120]

約数ペア:

[(1, 256899120), (2, 128449560), (3, 85633040), (4, 64224780), (5, 51379824), (6, 42816520), (8, 32112390), (10, 25689912), (12, 21408260), (15, 17126608), (16, 16056195), (20, 12844956), (24, 10704130), (30, 8563304), (40, 6422478), (48, 5352065), (60, 4281652), (80, 3211239), (120, 2140826), (240, 1070413), (599, 428880), (1198, 214440), (1787, 143760), (1797, 142960), (2396, 107220), (2995, 85776), (3574, 71880), (3594, 71480), (4792, 53610), (5361, 47920), (5990, 42888), (7148, 35940), (7188, 35740), (8935, 28752), (8985, 28592), (9584, 26805), (10722, 23960), (11980, 21444), (14296, 17970), (14376, 17870)]