206631180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163993}}^1$

素因数の和:164015

約数の個数: 72

約数和(自身を含む): 716325792

約数和(自身を除く): 509694612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 163993, 327986, 491979, 655972, 819965, 983958, 1147951, 1475937, 1639930, 1967916, 2295902, 2459895, 2951874, 3279860, 3443853, 4591804, 4919790, 5739755, 5903748, 6887706, 7379685, 9839580, 10331559, 11479510, 13775412, 14759370, 17219265, 20663118, 22959020, 29518740, 34438530, 41326236, 51657795, 68877060, 103315590, 206631180]

約数ペア:

[(1, 206631180), (2, 103315590), (3, 68877060), (4, 51657795), (5, 41326236), (6, 34438530), (7, 29518740), (9, 22959020), (10, 20663118), (12, 17219265), (14, 14759370), (15, 13775412), (18, 11479510), (20, 10331559), (21, 9839580), (28, 7379685), (30, 6887706), (35, 5903748), (36, 5739755), (42, 4919790), (45, 4591804), (60, 3443853), (63, 3279860), (70, 2951874), (84, 2459895), (90, 2295902), (105, 1967916), (126, 1639930), (140, 1475937), (180, 1147951), (210, 983958), (252, 819965), (315, 655972), (420, 491979), (630, 327986), (1260, 163993)]