256808559720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2140071331}}^1$

素因数の和:2140071345

約数の個数: 32

約数和(自身を含む): 770425679520

約数和(自身を除く): 513617119800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2140071331, 4280142662, 6420213993, 8560285324, 10700356655, 12840427986, 17120570648, 21400713310, 25680855972, 32101069965, 42801426620, 51361711944, 64202139930, 85602853240, 128404279860, 256808559720]

約数ペア:

[(1, 256808559720), (2, 128404279860), (3, 85602853240), (4, 64202139930), (5, 51361711944), (6, 42801426620), (8, 32101069965), (10, 25680855972), (12, 21400713310), (15, 17120570648), (20, 12840427986), (24, 10700356655), (30, 8560285324), (40, 6420213993), (60, 4280142662), (120, 2140071331)]