22501980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 68796000

約数和(自身を除く): 46294020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 839, 894, 1341, 1490, 1678, 1788, 2235, 2517, 2682, 2980, 3356, 4195, 4470, 5034, 5364, 6705, 7551, 8390, 8940, 10068, 12585, 13410, 15102, 16780, 25170, 26820, 30204, 37755, 50340, 75510, 125011, 151020, 250022, 375033, 500044, 625055, 750066, 1125099, 1250110, 1500132, 1875165, 2250198, 2500220, 3750330, 4500396, 5625495, 7500660, 11250990, 22501980]

約数ペア:

[(1, 22501980), (2, 11250990), (3, 7500660), (4, 5625495), (5, 4500396), (6, 3750330), (9, 2500220), (10, 2250198), (12, 1875165), (15, 1500132), (18, 1250110), (20, 1125099), (30, 750066), (36, 625055), (45, 500044), (60, 375033), (90, 250022), (149, 151020), (180, 125011), (298, 75510), (447, 50340), (596, 37755), (745, 30204), (839, 26820), (894, 25170), (1341, 16780), (1490, 15102), (1678, 13410), (1788, 12585), (2235, 10068), (2517, 8940), (2682, 8390), (2980, 7551), (3356, 6705), (4195, 5364), (4470, 5034)]