81165960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225461}}^1$

素因数の和:225478

約数の個数: 48

約数和(自身を含む): 263790540

約数和(自身を除く): 182624580

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, 225461, 450922, 676383, 901844, 1127305, 1352766, 1803688, 2029149, 2254610, 2705532, 3381915, 4058298, 4509220, 5411064, 6763830, 8116596, 9018440, 10145745, 13527660, 16233192, 20291490, 27055320, 40582980, 81165960]

約数ペア:

[(1, 81165960), (2, 40582980), (3, 27055320), (4, 20291490), (5, 16233192), (6, 13527660), (8, 10145745), (9, 9018440), (10, 8116596), (12, 6763830), (15, 5411064), (18, 4509220), (20, 4058298), (24, 3381915), (30, 2705532), (36, 2254610), (40, 2029149), (45, 1803688), (60, 1352766), (72, 1127305), (90, 901844), (120, 676383), (180, 450922), (360, 225461)]