287561520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{399391}}^1$

素因数の和:399410

約数の個数: 60

約数和(自身を含む): 965729856

約数和(自身を除く): 678168336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 399391, 798782, 1198173, 1597564, 1996955, 2396346, 3195128, 3594519, 3993910, 4792692, 5990865, 6390256, 7189038, 7987820, 9585384, 11981730, 14378076, 15975640, 17972595, 19170768, 23963460, 28756152, 31951280, 35945190, 47926920, 57512304, 71890380, 95853840, 143780760, 287561520]

約数ペア:

[(1, 287561520), (2, 143780760), (3, 95853840), (4, 71890380), (5, 57512304), (6, 47926920), (8, 35945190), (9, 31951280), (10, 28756152), (12, 23963460), (15, 19170768), (16, 17972595), (18, 15975640), (20, 14378076), (24, 11981730), (30, 9585384), (36, 7987820), (40, 7189038), (45, 6390256), (48, 5990865), (60, 4792692), (72, 3993910), (80, 3594519), (90, 3195128), (120, 2396346), (144, 1996955), (180, 1597564), (240, 1198173), (360, 798782), (720, 399391)]