161561520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{74797}}^1$

素因数の和:74819

約数の個数: 80

約数和(自身を含む): 556497120

約数和(自身を除く): 394935600

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, 1080, 2160, 74797, 149594, 224391, 299188, 373985, 448782, 598376, 673173, 747970, 897564, 1121955, 1196752, 1346346, 1495940, 1795128, 2019519, 2243910, 2692692, 2991880, 3365865, 3590256, 4039038, 4487820, 5385384, 5983760, 6731730, 8078076, 8975640, 10097595, 10770768, 13463460, 16156152, 17951280, 20195190, 26926920, 32312304, 40390380, 53853840, 80780760, 161561520]

約数ペア:

[(1, 161561520), (2, 80780760), (3, 53853840), (4, 40390380), (5, 32312304), (6, 26926920), (8, 20195190), (9, 17951280), (10, 16156152), (12, 13463460), (15, 10770768), (16, 10097595), (18, 8975640), (20, 8078076), (24, 6731730), (27, 5983760), (30, 5385384), (36, 4487820), (40, 4039038), (45, 3590256), (48, 3365865), (54, 2991880), (60, 2692692), (72, 2243910), (80, 2019519), (90, 1795128), (108, 1495940), (120, 1346346), (135, 1196752), (144, 1121955), (180, 897564), (216, 747970), (240, 673173), (270, 598376), (360, 448782), (432, 373985), (540, 299188), (720, 224391), (1080, 149594), (2160, 74797)]