321667440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1340281}}^1$

素因数の和:1340297

約数の個数: 40

約数和(自身を含む): 997169808

約数和(自身を除く): 675502368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1340281, 2680562, 4020843, 5361124, 6701405, 8041686, 10722248, 13402810, 16083372, 20104215, 21444496, 26805620, 32166744, 40208430, 53611240, 64333488, 80416860, 107222480, 160833720, 321667440]

約数ペア:

[(1, 321667440), (2, 160833720), (3, 107222480), (4, 80416860), (5, 64333488), (6, 53611240), (8, 40208430), (10, 32166744), (12, 26805620), (15, 21444496), (16, 20104215), (20, 16083372), (24, 13402810), (30, 10722248), (40, 8041686), (48, 6701405), (60, 5361124), (80, 4020843), (120, 2680562), (240, 1340281)]