155507940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123419}}^1$

素因数の和:123441

約数の個数: 72

約数和(自身を含む): 539098560

約数和(自身を除く): 383590620

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, 123419, 246838, 370257, 493676, 617095, 740514, 863933, 1110771, 1234190, 1481028, 1727866, 1851285, 2221542, 2468380, 2591799, 3455732, 3702570, 4319665, 4443084, 5183598, 5553855, 7405140, 7775397, 8639330, 10367196, 11107710, 12958995, 15550794, 17278660, 22215420, 25917990, 31101588, 38876985, 51835980, 77753970, 155507940]

約数ペア:

[(1, 155507940), (2, 77753970), (3, 51835980), (4, 38876985), (5, 31101588), (6, 25917990), (7, 22215420), (9, 17278660), (10, 15550794), (12, 12958995), (14, 11107710), (15, 10367196), (18, 8639330), (20, 7775397), (21, 7405140), (28, 5553855), (30, 5183598), (35, 4443084), (36, 4319665), (42, 3702570), (45, 3455732), (60, 2591799), (63, 2468380), (70, 2221542), (84, 1851285), (90, 1727866), (105, 1481028), (126, 1234190), (140, 1110771), (180, 863933), (210, 740514), (252, 617095), (315, 493676), (420, 370257), (630, 246838), (1260, 123419)]