18770160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 58630176

約数和(自身を除く): 39860016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 397, 591, 788, 794, 985, 1182, 1191, 1576, 1588, 1970, 1985, 2364, 2382, 2955, 3152, 3176, 3940, 3970, 4728, 4764, 5910, 5955, 6352, 7880, 7940, 9456, 9528, 11820, 11910, 15760, 15880, 19056, 23640, 23820, 31760, 47280, 47640, 78209, 95280, 156418, 234627, 312836, 391045, 469254, 625672, 782090, 938508, 1173135, 1251344, 1564180, 1877016, 2346270, 3128360, 3754032, 4692540, 6256720, 9385080, 18770160]

約数ペア:

[(1, 18770160), (2, 9385080), (3, 6256720), (4, 4692540), (5, 3754032), (6, 3128360), (8, 2346270), (10, 1877016), (12, 1564180), (15, 1251344), (16, 1173135), (20, 938508), (24, 782090), (30, 625672), (40, 469254), (48, 391045), (60, 312836), (80, 234627), (120, 156418), (197, 95280), (240, 78209), (394, 47640), (397, 47280), (591, 31760), (788, 23820), (794, 23640), (985, 19056), (1182, 15880), (1191, 15760), (1576, 11910), (1588, 11820), (1970, 9528), (1985, 9456), (2364, 7940), (2382, 7880), (2955, 6352), (3152, 5955), (3176, 5910), (3940, 4764), (3970, 4728)]