1375440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 4660416

約数和(自身を除く): 3284976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 521, 528, 660, 880, 1042, 1320, 1563, 2084, 2605, 2640, 3126, 4168, 5210, 5731, 6252, 7815, 8336, 10420, 11462, 12504, 15630, 17193, 20840, 22924, 25008, 28655, 31260, 34386, 41680, 45848, 57310, 62520, 68772, 85965, 91696, 114620, 125040, 137544, 171930, 229240, 275088, 343860, 458480, 687720, 1375440]

約数ペア:

[(1, 1375440), (2, 687720), (3, 458480), (4, 343860), (5, 275088), (6, 229240), (8, 171930), (10, 137544), (11, 125040), (12, 114620), (15, 91696), (16, 85965), (20, 68772), (22, 62520), (24, 57310), (30, 45848), (33, 41680), (40, 34386), (44, 31260), (48, 28655), (55, 25008), (60, 22924), (66, 20840), (80, 17193), (88, 15630), (110, 12504), (120, 11462), (132, 10420), (165, 8336), (176, 7815), (220, 6252), (240, 5731), (264, 5210), (330, 4168), (440, 3126), (521, 2640), (528, 2605), (660, 2084), (880, 1563), (1042, 1320)]