320106720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{666889}}^1$

素因数の和:666907

約数の個数: 48

約数和(自身を含む): 1008337680

約数和(自身を除く): 688230960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 666889, 1333778, 2000667, 2667556, 3334445, 4001334, 5335112, 6668890, 8002668, 10003335, 10670224, 13337780, 16005336, 20006670, 21340448, 26675560, 32010672, 40013340, 53351120, 64021344, 80026680, 106702240, 160053360, 320106720]

約数ペア:

[(1, 320106720), (2, 160053360), (3, 106702240), (4, 80026680), (5, 64021344), (6, 53351120), (8, 40013340), (10, 32010672), (12, 26675560), (15, 21340448), (16, 20006670), (20, 16005336), (24, 13337780), (30, 10670224), (32, 10003335), (40, 8002668), (48, 6668890), (60, 5335112), (80, 4001334), (96, 3334445), (120, 2667556), (160, 2000667), (240, 1333778), (480, 666889)]