215678520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{971}}^1$

素因数の和:1605

約数の個数: 96

約数和(自身を含む): 702814320

約数和(自身を除く): 487135800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 617, 971, 1234, 1851, 1942, 2468, 2913, 3085, 3702, 3884, 4855, 4936, 5553, 5826, 6170, 7404, 7768, 8739, 9255, 9710, 11106, 11652, 12340, 14565, 14808, 17478, 18510, 19420, 22212, 23304, 24680, 27765, 29130, 34956, 37020, 38840, 43695, 44424, 55530, 58260, 69912, 74040, 87390, 111060, 116520, 174780, 222120, 349560, 599107, 1198214, 1797321, 2396428, 2995535, 3594642, 4792856, 5391963, 5991070, 7189284, 8986605, 10783926, 11982140, 14378568, 17973210, 21567852, 23964280, 26959815, 35946420, 43135704, 53919630, 71892840, 107839260, 215678520]

約数ペア:

[(1, 215678520), (2, 107839260), (3, 71892840), (4, 53919630), (5, 43135704), (6, 35946420), (8, 26959815), (9, 23964280), (10, 21567852), (12, 17973210), (15, 14378568), (18, 11982140), (20, 10783926), (24, 8986605), (30, 7189284), (36, 5991070), (40, 5391963), (45, 4792856), (60, 3594642), (72, 2995535), (90, 2396428), (120, 1797321), (180, 1198214), (360, 599107), (617, 349560), (971, 222120), (1234, 174780), (1851, 116520), (1942, 111060), (2468, 87390), (2913, 74040), (3085, 69912), (3702, 58260), (3884, 55530), (4855, 44424), (4936, 43695), (5553, 38840), (5826, 37020), (6170, 34956), (7404, 29130), (7768, 27765), (8739, 24680), (9255, 23304), (9710, 22212), (11106, 19420), (11652, 18510), (12340, 17478), (14565, 14808)]