1091220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 3292800

約数和(自身を除く): 2201580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1399, 2798, 4197, 5596, 6995, 8394, 13990, 16788, 18187, 20985, 27980, 36374, 41970, 54561, 72748, 83940, 90935, 109122, 181870, 218244, 272805, 363740, 545610, 1091220]

約数ペア:

[(1, 1091220), (2, 545610), (3, 363740), (4, 272805), (5, 218244), (6, 181870), (10, 109122), (12, 90935), (13, 83940), (15, 72748), (20, 54561), (26, 41970), (30, 36374), (39, 27980), (52, 20985), (60, 18187), (65, 16788), (78, 13990), (130, 8394), (156, 6995), (195, 5596), (260, 4197), (390, 2798), (780, 1399)]