72254280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86017}}^1$

素因数の和:86038

約数の個数: 64

約数和(自身を含む): 247731840

約数和(自身を除く): 175477560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86017, 172034, 258051, 344068, 430085, 516102, 602119, 688136, 860170, 1032204, 1204238, 1290255, 1720340, 1806357, 2064408, 2408476, 2580510, 3010595, 3440680, 3612714, 4816952, 5161020, 6021190, 7225428, 9031785, 10322040, 12042380, 14450856, 18063570, 24084760, 36127140, 72254280]

約数ペア:

[(1, 72254280), (2, 36127140), (3, 24084760), (4, 18063570), (5, 14450856), (6, 12042380), (7, 10322040), (8, 9031785), (10, 7225428), (12, 6021190), (14, 5161020), (15, 4816952), (20, 3612714), (21, 3440680), (24, 3010595), (28, 2580510), (30, 2408476), (35, 2064408), (40, 1806357), (42, 1720340), (56, 1290255), (60, 1204238), (70, 1032204), (84, 860170), (105, 688136), (120, 602119), (140, 516102), (168, 430085), (210, 344068), (280, 258051), (420, 172034), (840, 86017)]