51721680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{215507}}^1$

素因数の和:215523

約数の個数: 40

約数和(自身を含む): 160337952

約数和(自身を除く): 108616272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 215507, 431014, 646521, 862028, 1077535, 1293042, 1724056, 2155070, 2586084, 3232605, 3448112, 4310140, 5172168, 6465210, 8620280, 10344336, 12930420, 17240560, 25860840, 51721680]

約数ペア:

[(1, 51721680), (2, 25860840), (3, 17240560), (4, 12930420), (5, 10344336), (6, 8620280), (8, 6465210), (10, 5172168), (12, 4310140), (15, 3448112), (16, 3232605), (20, 2586084), (24, 2155070), (30, 1724056), (40, 1293042), (48, 1077535), (60, 862028), (80, 646521), (120, 431014), (240, 215507)]