9780118980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4405459}}^1$

素因数の和:4405508

約数の個数: 48

約数和(自身を含む): 28124456640

約数和(自身を除く): 18344337660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 4405459, 8810918, 13216377, 17621836, 22027295, 26432754, 44054590, 52865508, 66081885, 88109180, 132163770, 163001983, 264327540, 326003966, 489005949, 652007932, 815009915, 978011898, 1630019830, 1956023796, 2445029745, 3260039660, 4890059490, 9780118980]

約数ペア:

[(1, 9780118980), (2, 4890059490), (3, 3260039660), (4, 2445029745), (5, 1956023796), (6, 1630019830), (10, 978011898), (12, 815009915), (15, 652007932), (20, 489005949), (30, 326003966), (37, 264327540), (60, 163001983), (74, 132163770), (111, 88109180), (148, 66081885), (185, 52865508), (222, 44054590), (370, 26432754), (444, 22027295), (555, 17621836), (740, 13216377), (1110, 8810918), (2220, 4405459)]