319140

素因数分解:

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

素因数の和:218

約数の個数: 60

約数和(自身を含む): 1006236

約数和(自身を除く): 687096

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 197, 270, 324, 394, 405, 540, 591, 788, 810, 985, 1182, 1620, 1773, 1970, 2364, 2955, 3546, 3940, 5319, 5910, 7092, 8865, 10638, 11820, 15957, 17730, 21276, 26595, 31914, 35460, 53190, 63828, 79785, 106380, 159570, 319140]

約数ペア:

[(1, 319140), (2, 159570), (3, 106380), (4, 79785), (5, 63828), (6, 53190), (9, 35460), (10, 31914), (12, 26595), (15, 21276), (18, 17730), (20, 15957), (27, 11820), (30, 10638), (36, 8865), (45, 7092), (54, 5910), (60, 5319), (81, 3940), (90, 3546), (108, 2955), (135, 2364), (162, 1970), (180, 1773), (197, 1620), (270, 1182), (324, 985), (394, 810), (405, 788), (540, 591)]