28561020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28001}}^1$

素因数の和:28030

約数の個数: 48

約数和(自身を含む): 84678048

約数和(自身を除く): 56117028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 28001, 56002, 84003, 112004, 140005, 168006, 280010, 336012, 420015, 476017, 560020, 840030, 952034, 1428051, 1680060, 1904068, 2380085, 2856102, 4760170, 5712204, 7140255, 9520340, 14280510, 28561020]

約数ペア:

[(1, 28561020), (2, 14280510), (3, 9520340), (4, 7140255), (5, 5712204), (6, 4760170), (10, 2856102), (12, 2380085), (15, 1904068), (17, 1680060), (20, 1428051), (30, 952034), (34, 840030), (51, 560020), (60, 476017), (68, 420015), (85, 336012), (102, 280010), (170, 168006), (204, 140005), (255, 112004), (340, 84003), (510, 56002), (1020, 28001)]