81708720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340453}}^1$

素因数の和:340469

約数の個数: 40

約数和(自身を含む): 253297776

約数和(自身を除く): 171589056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340453, 680906, 1021359, 1361812, 1702265, 2042718, 2723624, 3404530, 4085436, 5106795, 5447248, 6809060, 8170872, 10213590, 13618120, 16341744, 20427180, 27236240, 40854360, 81708720]

約数ペア:

[(1, 81708720), (2, 40854360), (3, 27236240), (4, 20427180), (5, 16341744), (6, 13618120), (8, 10213590), (10, 8170872), (12, 6809060), (15, 5447248), (16, 5106795), (20, 4085436), (24, 3404530), (30, 2723624), (40, 2042718), (48, 1702265), (60, 1361812), (80, 1021359), (120, 680906), (240, 340453)]