1721520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{797}}^1$

素因数の和:819

約数の個数: 80

約数和(自身を含む): 5937120

約数和(自身を除く): 4215600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 797, 1080, 1594, 2160, 2391, 3188, 3985, 4782, 6376, 7173, 7970, 9564, 11955, 12752, 14346, 15940, 19128, 21519, 23910, 28692, 31880, 35865, 38256, 43038, 47820, 57384, 63760, 71730, 86076, 95640, 107595, 114768, 143460, 172152, 191280, 215190, 286920, 344304, 430380, 573840, 860760, 1721520]

約数ペア:

[(1, 1721520), (2, 860760), (3, 573840), (4, 430380), (5, 344304), (6, 286920), (8, 215190), (9, 191280), (10, 172152), (12, 143460), (15, 114768), (16, 107595), (18, 95640), (20, 86076), (24, 71730), (27, 63760), (30, 57384), (36, 47820), (40, 43038), (45, 38256), (48, 35865), (54, 31880), (60, 28692), (72, 23910), (80, 21519), (90, 19128), (108, 15940), (120, 14346), (135, 12752), (144, 11955), (180, 9564), (216, 7970), (240, 7173), (270, 6376), (360, 4782), (432, 3985), (540, 3188), (720, 2391), (797, 2160), (1080, 1594)]