1269403960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{3343}}^1$

素因数の和:4228

約数の個数: 64

約数和(自身を含む): 3120353280

約数和(自身を除く): 1850949320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 863, 1726, 3343, 3452, 4315, 6686, 6904, 8630, 9493, 13372, 16715, 17260, 18986, 26744, 33430, 34520, 36773, 37972, 47465, 66860, 73546, 75944, 94930, 133720, 147092, 183865, 189860, 294184, 367730, 379720, 735460, 1470920, 2885009, 5770018, 11540036, 14425045, 23080072, 28850090, 31735099, 57700180, 63470198, 115400360, 126940396, 158675495, 253880792, 317350990, 634701980, 1269403960]

約数ペア:

[(1, 1269403960), (2, 634701980), (4, 317350990), (5, 253880792), (8, 158675495), (10, 126940396), (11, 115400360), (20, 63470198), (22, 57700180), (40, 31735099), (44, 28850090), (55, 23080072), (88, 14425045), (110, 11540036), (220, 5770018), (440, 2885009), (863, 1470920), (1726, 735460), (3343, 379720), (3452, 367730), (4315, 294184), (6686, 189860), (6904, 183865), (8630, 147092), (9493, 133720), (13372, 94930), (16715, 75944), (17260, 73546), (18986, 66860), (26744, 47465), (33430, 37972), (34520, 36773)]