447780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 1330560

約数和(自身を除く): 882780

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, 439, 510, 878, 1020, 1317, 1756, 2195, 2634, 4390, 5268, 6585, 7463, 8780, 13170, 14926, 22389, 26340, 29852, 37315, 44778, 74630, 89556, 111945, 149260, 223890, 447780]

約数ペア:

[(1, 447780), (2, 223890), (3, 149260), (4, 111945), (5, 89556), (6, 74630), (10, 44778), (12, 37315), (15, 29852), (17, 26340), (20, 22389), (30, 14926), (34, 13170), (51, 8780), (60, 7463), (68, 6585), (85, 5268), (102, 4390), (170, 2634), (204, 2195), (255, 1756), (340, 1317), (439, 1020), (510, 878)]