1528173780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{519787}}^1$

素因数の和:519813

約数の個数: 72

約数和(自身を含む): 4977489888

約数和(自身を除く): 3449316108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 519787, 1039574, 1559361, 2079148, 2598935, 3118722, 3638509, 5197870, 6237444, 7277018, 7796805, 10395740, 10915527, 14554036, 15593610, 18192545, 21831054, 25469563, 31187220, 36385090, 43662108, 50939126, 54577635, 72770180, 76408689, 101878252, 109155270, 127347815, 152817378, 218310540, 254695630, 305634756, 382043445, 509391260, 764086890, 1528173780]

約数ペア:

[(1, 1528173780), (2, 764086890), (3, 509391260), (4, 382043445), (5, 305634756), (6, 254695630), (7, 218310540), (10, 152817378), (12, 127347815), (14, 109155270), (15, 101878252), (20, 76408689), (21, 72770180), (28, 54577635), (30, 50939126), (35, 43662108), (42, 36385090), (49, 31187220), (60, 25469563), (70, 21831054), (84, 18192545), (98, 15593610), (105, 14554036), (140, 10915527), (147, 10395740), (196, 7796805), (210, 7277018), (245, 6237444), (294, 5197870), (420, 3638509), (490, 3118722), (588, 2598935), (735, 2079148), (980, 1559361), (1470, 1039574), (2940, 519787)]