2151900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{797}}^1$

素因数の和:820

約数の個数: 72

約数和(自身を含む): 6926640

約数和(自身を除く): 4774740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 797, 900, 1350, 1594, 2391, 2700, 3188, 3985, 4782, 7173, 7970, 9564, 11955, 14346, 15940, 19925, 21519, 23910, 28692, 35865, 39850, 43038, 47820, 59775, 71730, 79700, 86076, 107595, 119550, 143460, 179325, 215190, 239100, 358650, 430380, 537975, 717300, 1075950, 2151900]

約数ペア:

[(1, 2151900), (2, 1075950), (3, 717300), (4, 537975), (5, 430380), (6, 358650), (9, 239100), (10, 215190), (12, 179325), (15, 143460), (18, 119550), (20, 107595), (25, 86076), (27, 79700), (30, 71730), (36, 59775), (45, 47820), (50, 43038), (54, 39850), (60, 35865), (75, 28692), (90, 23910), (100, 21519), (108, 19925), (135, 15940), (150, 14346), (180, 11955), (225, 9564), (270, 7970), (300, 7173), (450, 4782), (540, 3985), (675, 3188), (797, 2700), (900, 2391), (1350, 1594)]