51492420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40867}}^1$

素因数の和:40889

約数の個数: 72

約数和(自身を含む): 178511424

約数和(自身を除く): 127019004

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, 40867, 81734, 122601, 163468, 204335, 245202, 286069, 367803, 408670, 490404, 572138, 613005, 735606, 817340, 858207, 1144276, 1226010, 1430345, 1471212, 1716414, 1839015, 2452020, 2574621, 2860690, 3432828, 3678030, 4291035, 5149242, 5721380, 7356060, 8582070, 10298484, 12873105, 17164140, 25746210, 51492420]

約数ペア:

[(1, 51492420), (2, 25746210), (3, 17164140), (4, 12873105), (5, 10298484), (6, 8582070), (7, 7356060), (9, 5721380), (10, 5149242), (12, 4291035), (14, 3678030), (15, 3432828), (18, 2860690), (20, 2574621), (21, 2452020), (28, 1839015), (30, 1716414), (35, 1471212), (36, 1430345), (42, 1226010), (45, 1144276), (60, 858207), (63, 817340), (70, 735606), (84, 613005), (90, 572138), (105, 490404), (126, 408670), (140, 367803), (180, 286069), (210, 245202), (252, 204335), (315, 163468), (420, 122601), (630, 81734), (1260, 40867)]