69531420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{165551}}^1$

素因数の和:165570

約数の個数: 48

約数和(自身を含む): 222501888

約数和(自身を除く): 152970468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 165551, 331102, 496653, 662204, 827755, 993306, 1158857, 1655510, 1986612, 2317714, 2483265, 3311020, 3476571, 4635428, 4966530, 5794285, 6953142, 9933060, 11588570, 13906284, 17382855, 23177140, 34765710, 69531420]

約数ペア:

[(1, 69531420), (2, 34765710), (3, 23177140), (4, 17382855), (5, 13906284), (6, 11588570), (7, 9933060), (10, 6953142), (12, 5794285), (14, 4966530), (15, 4635428), (20, 3476571), (21, 3311020), (28, 2483265), (30, 2317714), (35, 1986612), (42, 1655510), (60, 1158857), (70, 993306), (84, 827755), (105, 662204), (140, 496653), (210, 331102), (420, 165551)]