71547420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170351}}^1$

素因数の和:170370

約数の個数: 48

約数和(自身を含む): 228953088

約数和(自身を除く): 157405668

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, 170351, 340702, 511053, 681404, 851755, 1022106, 1192457, 1703510, 2044212, 2384914, 2555265, 3407020, 3577371, 4769828, 5110530, 5962285, 7154742, 10221060, 11924570, 14309484, 17886855, 23849140, 35773710, 71547420]

約数ペア:

[(1, 71547420), (2, 35773710), (3, 23849140), (4, 17886855), (5, 14309484), (6, 11924570), (7, 10221060), (10, 7154742), (12, 5962285), (14, 5110530), (15, 4769828), (20, 3577371), (21, 3407020), (28, 2555265), (30, 2384914), (35, 2044212), (42, 1703510), (60, 1192457), (70, 1022106), (84, 851755), (105, 681404), (140, 511053), (210, 340702), (420, 170351)]