649236960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{450859}}^1$

素因数の和:450880

約数の個数: 72

約数和(自身を含む): 2215526040

約数和(自身を除く): 1566289080

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, 450859, 901718, 1352577, 1803436, 2254295, 2705154, 3606872, 4057731, 4508590, 5410308, 6762885, 7213744, 8115462, 9017180, 10820616, 13525770, 14427488, 16230924, 18034360, 20288655, 21641232, 27051540, 32461848, 36068720, 40577310, 43282464, 54103080, 64923696, 72137440, 81154620, 108206160, 129847392, 162309240, 216412320, 324618480, 649236960]

約数ペア:

[(1, 649236960), (2, 324618480), (3, 216412320), (4, 162309240), (5, 129847392), (6, 108206160), (8, 81154620), (9, 72137440), (10, 64923696), (12, 54103080), (15, 43282464), (16, 40577310), (18, 36068720), (20, 32461848), (24, 27051540), (30, 21641232), (32, 20288655), (36, 18034360), (40, 16230924), (45, 14427488), (48, 13525770), (60, 10820616), (72, 9017180), (80, 8115462), (90, 7213744), (96, 6762885), (120, 5410308), (144, 4508590), (160, 4057731), (180, 3606872), (240, 2705154), (288, 2254295), (360, 1803436), (480, 1352577), (720, 901718), (1440, 450859)]