257456080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24197}}^1$

素因数の和:24236

約数の個数: 80

約数和(自身を含む): 720132480

約数和(自身を除く): 462676400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 24197, 48394, 96788, 120985, 169379, 193576, 241970, 338758, 387152, 459743, 483940, 677516, 846895, 919486, 967880, 1355032, 1693790, 1838972, 1935760, 2298715, 2710064, 3218201, 3387580, 3677944, 4597430, 6436402, 6775160, 7355888, 9194860, 12872804, 13550320, 16091005, 18389720, 25745608, 32182010, 36779440, 51491216, 64364020, 128728040, 257456080]

約数ペア:

[(1, 257456080), (2, 128728040), (4, 64364020), (5, 51491216), (7, 36779440), (8, 32182010), (10, 25745608), (14, 18389720), (16, 16091005), (19, 13550320), (20, 12872804), (28, 9194860), (35, 7355888), (38, 6775160), (40, 6436402), (56, 4597430), (70, 3677944), (76, 3387580), (80, 3218201), (95, 2710064), (112, 2298715), (133, 1935760), (140, 1838972), (152, 1693790), (190, 1355032), (266, 967880), (280, 919486), (304, 846895), (380, 677516), (532, 483940), (560, 459743), (665, 387152), (760, 338758), (1064, 241970), (1330, 193576), (1520, 169379), (2128, 120985), (2660, 96788), (5320, 48394), (10640, 24197)]