891720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{2477}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 2899260

約数和(自身を除く): 2007540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 2477, 4954, 7431, 9908, 12385, 14862, 19816, 22293, 24770, 29724, 37155, 44586, 49540, 59448, 74310, 89172, 99080, 111465, 148620, 178344, 222930, 297240, 445860, 891720]

約数ペア:

[(1, 891720), (2, 445860), (3, 297240), (4, 222930), (5, 178344), (6, 148620), (8, 111465), (9, 99080), (10, 89172), (12, 74310), (15, 59448), (18, 49540), (20, 44586), (24, 37155), (30, 29724), (36, 24770), (40, 22293), (45, 19816), (60, 14862), (72, 12385), (90, 9908), (120, 7431), (180, 4954), (360, 2477)]