644250960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{894793}}^1$

素因数の和:894812

約数の個数: 60

約数和(自身を含む): 2163611892

約数和(自身を除く): 1519360932

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 894793, 1789586, 2684379, 3579172, 4473965, 5368758, 7158344, 8053137, 8947930, 10737516, 13421895, 14316688, 16106274, 17895860, 21475032, 26843790, 32212548, 35791720, 40265685, 42950064, 53687580, 64425096, 71583440, 80531370, 107375160, 128850192, 161062740, 214750320, 322125480, 644250960]

約数ペア:

[(1, 644250960), (2, 322125480), (3, 214750320), (4, 161062740), (5, 128850192), (6, 107375160), (8, 80531370), (9, 71583440), (10, 64425096), (12, 53687580), (15, 42950064), (16, 40265685), (18, 35791720), (20, 32212548), (24, 26843790), (30, 21475032), (36, 17895860), (40, 16106274), (45, 14316688), (48, 13421895), (60, 10737516), (72, 8947930), (80, 8053137), (90, 7158344), (120, 5368758), (144, 4473965), (180, 3579172), (240, 2684379), (360, 1789586), (720, 894793)]