2770240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:815

約数の個数: 56

約数和(自身を含む): 7205472

約数和(自身を除く): 4435232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 787, 880, 1574, 1760, 3148, 3520, 3935, 6296, 7870, 8657, 12592, 15740, 17314, 25184, 31480, 34628, 43285, 50368, 62960, 69256, 86570, 125920, 138512, 173140, 251840, 277024, 346280, 554048, 692560, 1385120, 2770240]

約数ペア:

[(1, 2770240), (2, 1385120), (4, 692560), (5, 554048), (8, 346280), (10, 277024), (11, 251840), (16, 173140), (20, 138512), (22, 125920), (32, 86570), (40, 69256), (44, 62960), (55, 50368), (64, 43285), (80, 34628), (88, 31480), (110, 25184), (160, 17314), (176, 15740), (220, 12592), (320, 8657), (352, 7870), (440, 6296), (704, 3935), (787, 3520), (880, 3148), (1574, 1760)]