1971720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5477}}^1$

素因数の和:5494

約数の個数: 48

約数和(自身を含む): 6409260

約数和(自身を除く): 4437540

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, 5477, 10954, 16431, 21908, 27385, 32862, 43816, 49293, 54770, 65724, 82155, 98586, 109540, 131448, 164310, 197172, 219080, 246465, 328620, 394344, 492930, 657240, 985860, 1971720]

約数ペア:

[(1, 1971720), (2, 985860), (3, 657240), (4, 492930), (5, 394344), (6, 328620), (8, 246465), (9, 219080), (10, 197172), (12, 164310), (15, 131448), (18, 109540), (20, 98586), (24, 82155), (30, 65724), (36, 54770), (40, 49293), (45, 43816), (60, 32862), (72, 27385), (90, 21908), (120, 16431), (180, 10954), (360, 5477)]