81156960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56359}}^1$

素因数の和:56380

約数の個数: 72

約数和(自身を含む): 276953040

約数和(自身を除く): 195796080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56359, 112718, 169077, 225436, 281795, 338154, 450872, 507231, 563590, 676308, 845385, 901744, 1014462, 1127180, 1352616, 1690770, 1803488, 2028924, 2254360, 2536155, 2705232, 3381540, 4057848, 4508720, 5072310, 5410464, 6763080, 8115696, 9017440, 10144620, 13526160, 16231392, 20289240, 27052320, 40578480, 81156960]

約数ペア:

[(1, 81156960), (2, 40578480), (3, 27052320), (4, 20289240), (5, 16231392), (6, 13526160), (8, 10144620), (9, 9017440), (10, 8115696), (12, 6763080), (15, 5410464), (16, 5072310), (18, 4508720), (20, 4057848), (24, 3381540), (30, 2705232), (32, 2536155), (36, 2254360), (40, 2028924), (45, 1803488), (48, 1690770), (60, 1352616), (72, 1127180), (80, 1014462), (90, 901744), (96, 845385), (120, 676308), (144, 563590), (160, 507231), (180, 450872), (240, 338154), (288, 281795), (360, 225436), (480, 169077), (720, 112718), (1440, 56359)]