27990840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13721}}^1$

素因数の和:13752

約数の個数: 64

約数和(自身を含む): 88918560

約数和(自身を除く): 60927720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13721, 27442, 41163, 54884, 68605, 82326, 109768, 137210, 164652, 205815, 233257, 274420, 329304, 411630, 466514, 548840, 699771, 823260, 933028, 1166285, 1399542, 1646520, 1866056, 2332570, 2799084, 3498855, 4665140, 5598168, 6997710, 9330280, 13995420, 27990840]

約数ペア:

[(1, 27990840), (2, 13995420), (3, 9330280), (4, 6997710), (5, 5598168), (6, 4665140), (8, 3498855), (10, 2799084), (12, 2332570), (15, 1866056), (17, 1646520), (20, 1399542), (24, 1166285), (30, 933028), (34, 823260), (40, 699771), (51, 548840), (60, 466514), (68, 411630), (85, 329304), (102, 274420), (120, 233257), (136, 205815), (170, 164652), (204, 137210), (255, 109768), (340, 82326), (408, 68605), (510, 54884), (680, 41163), (1020, 27442), (2040, 13721)]