643332960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{446759}}^1$

素因数の和:446780

約数の個数: 72

約数和(自身を含む): 2195378640

約数和(自身を除く): 1552045680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 446759, 893518, 1340277, 1787036, 2233795, 2680554, 3574072, 4020831, 4467590, 5361108, 6701385, 7148144, 8041662, 8935180, 10722216, 13402770, 14296288, 16083324, 17870360, 20104155, 21444432, 26805540, 32166648, 35740720, 40208310, 42888864, 53611080, 64333296, 71481440, 80416620, 107222160, 128666592, 160833240, 214444320, 321666480, 643332960]

約数ペア:

[(1, 643332960), (2, 321666480), (3, 214444320), (4, 160833240), (5, 128666592), (6, 107222160), (8, 80416620), (9, 71481440), (10, 64333296), (12, 53611080), (15, 42888864), (16, 40208310), (18, 35740720), (20, 32166648), (24, 26805540), (30, 21444432), (32, 20104155), (36, 17870360), (40, 16083324), (45, 14296288), (48, 13402770), (60, 10722216), (72, 8935180), (80, 8041662), (90, 7148144), (96, 6701385), (120, 5361108), (144, 4467590), (160, 4020831), (180, 3574072), (240, 2680554), (288, 2233795), (360, 1787036), (480, 1340277), (720, 893518), (1440, 446759)]