978420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 2862720

約数和(自身を除く): 1884300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 709, 1380, 1418, 2127, 2836, 3545, 4254, 7090, 8508, 10635, 14180, 16307, 21270, 32614, 42540, 48921, 65228, 81535, 97842, 163070, 195684, 244605, 326140, 489210, 978420]

約数ペア:

[(1, 978420), (2, 489210), (3, 326140), (4, 244605), (5, 195684), (6, 163070), (10, 97842), (12, 81535), (15, 65228), (20, 48921), (23, 42540), (30, 32614), (46, 21270), (60, 16307), (69, 14180), (92, 10635), (115, 8508), (138, 7090), (230, 4254), (276, 3545), (345, 2836), (460, 2127), (690, 1418), (709, 1380)]