61428540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5197}}^1$

素因数の和:5406

約数の個数: 48

約数和(自身を含む): 172906272

約数和(自身を除く): 111477732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5197, 5910, 10394, 11820, 15591, 20788, 25985, 31182, 51970, 62364, 77955, 103940, 155910, 311820, 1023809, 2047618, 3071427, 4095236, 5119045, 6142854, 10238090, 12285708, 15357135, 20476180, 30714270, 61428540]

約数ペア:

[(1, 61428540), (2, 30714270), (3, 20476180), (4, 15357135), (5, 12285708), (6, 10238090), (10, 6142854), (12, 5119045), (15, 4095236), (20, 3071427), (30, 2047618), (60, 1023809), (197, 311820), (394, 155910), (591, 103940), (788, 77955), (985, 62364), (1182, 51970), (1970, 31182), (2364, 25985), (2955, 20788), (3940, 15591), (5197, 11820), (5910, 10394)]