280830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 787968

約数和(自身を除く): 507138

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 37, 46, 55, 66, 69, 74, 110, 111, 115, 138, 165, 185, 222, 230, 253, 330, 345, 370, 407, 506, 555, 690, 759, 814, 851, 1110, 1221, 1265, 1518, 1702, 2035, 2442, 2530, 2553, 3795, 4070, 4255, 5106, 6105, 7590, 8510, 9361, 12210, 12765, 18722, 25530, 28083, 46805, 56166, 93610, 140415, 280830]

約数ペア:

[(1, 280830), (2, 140415), (3, 93610), (5, 56166), (6, 46805), (10, 28083), (11, 25530), (15, 18722), (22, 12765), (23, 12210), (30, 9361), (33, 8510), (37, 7590), (46, 6105), (55, 5106), (66, 4255), (69, 4070), (74, 3795), (110, 2553), (111, 2530), (115, 2442), (138, 2035), (165, 1702), (185, 1518), (222, 1265), (230, 1221), (253, 1110), (330, 851), (345, 814), (370, 759), (407, 690), (506, 555)]