18254880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1811}}^1$

素因数の和:1839

約数の個数: 144

約数和(自身を含む): 71233344

約数和(自身を除く): 52978464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 1811, 2016, 2520, 3360, 3622, 5040, 5433, 7244, 9055, 10080, 10866, 12677, 14488, 16299, 18110, 21732, 25354, 27165, 28976, 32598, 36220, 38031, 43464, 50708, 54330, 57952, 63385, 65196, 72440, 76062, 81495, 86928, 101416, 108660, 114093, 126770, 130392, 144880, 152124, 162990, 173856, 190155, 202832, 217320, 228186, 253540, 260784, 289760, 304248, 325980, 380310, 405664, 434640, 456372, 507080, 521568, 570465, 608496, 651960, 760620, 869280, 912744, 1014160, 1140930, 1216992, 1303920, 1521240, 1825488, 2028320, 2281860, 2607840, 3042480, 3650976, 4563720, 6084960, 9127440, 18254880]

約数ペア:

[(1, 18254880), (2, 9127440), (3, 6084960), (4, 4563720), (5, 3650976), (6, 3042480), (7, 2607840), (8, 2281860), (9, 2028320), (10, 1825488), (12, 1521240), (14, 1303920), (15, 1216992), (16, 1140930), (18, 1014160), (20, 912744), (21, 869280), (24, 760620), (28, 651960), (30, 608496), (32, 570465), (35, 521568), (36, 507080), (40, 456372), (42, 434640), (45, 405664), (48, 380310), (56, 325980), (60, 304248), (63, 289760), (70, 260784), (72, 253540), (80, 228186), (84, 217320), (90, 202832), (96, 190155), (105, 173856), (112, 162990), (120, 152124), (126, 144880), (140, 130392), (144, 126770), (160, 114093), (168, 108660), (180, 101416), (210, 86928), (224, 81495), (240, 76062), (252, 72440), (280, 65196), (288, 63385), (315, 57952), (336, 54330), (360, 50708), (420, 43464), (480, 38031), (504, 36220), (560, 32598), (630, 28976), (672, 27165), (720, 25354), (840, 21732), (1008, 18110), (1120, 16299), (1260, 14488), (1440, 12677), (1680, 10866), (1811, 10080), (2016, 9055), (2520, 7244), (3360, 5433), (3622, 5040)]