131571720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:612

約数の個数: 192

約数和(自身を含む): 494208000

約数和(自身を除く): 362636280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 109, 120, 126, 140, 168, 180, 210, 218, 252, 280, 315, 327, 360, 420, 436, 479, 504, 545, 630, 654, 763, 840, 872, 958, 981, 1090, 1260, 1308, 1437, 1526, 1635, 1916, 1962, 2180, 2289, 2395, 2520, 2616, 2874, 3052, 3270, 3353, 3815, 3832, 3924, 4311, 4360, 4578, 4790, 4905, 5748, 6104, 6540, 6706, 6867, 7185, 7630, 7848, 8622, 9156, 9580, 9810, 10059, 11445, 11496, 13080, 13412, 13734, 14370, 15260, 16765, 17244, 18312, 19160, 19620, 20118, 21555, 22890, 26824, 27468, 28740, 30177, 30520, 33530, 34335, 34488, 39240, 40236, 43110, 45780, 50295, 52211, 54936, 57480, 60354, 67060, 68670, 80472, 86220, 91560, 100590, 104422, 120708, 134120, 137340, 150885, 156633, 172440, 201180, 208844, 241416, 261055, 274680, 301770, 313266, 365477, 402360, 417688, 469899, 522110, 603540, 626532, 730954, 783165, 939798, 1044220, 1096431, 1207080, 1253064, 1461908, 1566330, 1827385, 1879596, 2088440, 2192862, 2349495, 2923816, 3132660, 3289293, 3654770, 3759192, 4385724, 4698990, 5482155, 6265320, 6578586, 7309540, 8771448, 9397980, 10964310, 13157172, 14619080, 16446465, 18795960, 21928620, 26314344, 32892930, 43857240, 65785860, 131571720]

約数ペア:

[(1, 131571720), (2, 65785860), (3, 43857240), (4, 32892930), (5, 26314344), (6, 21928620), (7, 18795960), (8, 16446465), (9, 14619080), (10, 13157172), (12, 10964310), (14, 9397980), (15, 8771448), (18, 7309540), (20, 6578586), (21, 6265320), (24, 5482155), (28, 4698990), (30, 4385724), (35, 3759192), (36, 3654770), (40, 3289293), (42, 3132660), (45, 2923816), (56, 2349495), (60, 2192862), (63, 2088440), (70, 1879596), (72, 1827385), (84, 1566330), (90, 1461908), (105, 1253064), (109, 1207080), (120, 1096431), (126, 1044220), (140, 939798), (168, 783165), (180, 730954), (210, 626532), (218, 603540), (252, 522110), (280, 469899), (315, 417688), (327, 402360), (360, 365477), (420, 313266), (436, 301770), (479, 274680), (504, 261055), (545, 241416), (630, 208844), (654, 201180), (763, 172440), (840, 156633), (872, 150885), (958, 137340), (981, 134120), (1090, 120708), (1260, 104422), (1308, 100590), (1437, 91560), (1526, 86220), (1635, 80472), (1916, 68670), (1962, 67060), (2180, 60354), (2289, 57480), (2395, 54936), (2520, 52211), (2616, 50295), (2874, 45780), (3052, 43110), (3270, 40236), (3353, 39240), (3815, 34488), (3832, 34335), (3924, 33530), (4311, 30520), (4360, 30177), (4578, 28740), (4790, 27468), (4905, 26824), (5748, 22890), (6104, 21555), (6540, 20118), (6706, 19620), (6867, 19160), (7185, 18312), (7630, 17244), (7848, 16765), (8622, 15260), (9156, 14370), (9580, 13734), (9810, 13412), (10059, 13080), (11445, 11496)]