6638940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 25159680

約数和(自身を除く): 18520740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 479, 495, 630, 660, 693, 770, 924, 958, 990, 1155, 1260, 1386, 1437, 1540, 1916, 1980, 2310, 2395, 2772, 2874, 3353, 3465, 4311, 4620, 4790, 5269, 5748, 6706, 6930, 7185, 8622, 9580, 10059, 10538, 13412, 13860, 14370, 15807, 16765, 17244, 20118, 21076, 21555, 26345, 28740, 30177, 31614, 33530, 36883, 40236, 43110, 47421, 50295, 52690, 60354, 63228, 67060, 73766, 79035, 86220, 94842, 100590, 105380, 110649, 120708, 147532, 150885, 158070, 184415, 189684, 201180, 221298, 237105, 301770, 316140, 331947, 368830, 442596, 474210, 553245, 603540, 663894, 737660, 948420, 1106490, 1327788, 1659735, 2212980, 3319470, 6638940]

約数ペア:

[(1, 6638940), (2, 3319470), (3, 2212980), (4, 1659735), (5, 1327788), (6, 1106490), (7, 948420), (9, 737660), (10, 663894), (11, 603540), (12, 553245), (14, 474210), (15, 442596), (18, 368830), (20, 331947), (21, 316140), (22, 301770), (28, 237105), (30, 221298), (33, 201180), (35, 189684), (36, 184415), (42, 158070), (44, 150885), (45, 147532), (55, 120708), (60, 110649), (63, 105380), (66, 100590), (70, 94842), (77, 86220), (84, 79035), (90, 73766), (99, 67060), (105, 63228), (110, 60354), (126, 52690), (132, 50295), (140, 47421), (154, 43110), (165, 40236), (180, 36883), (198, 33530), (210, 31614), (220, 30177), (231, 28740), (252, 26345), (308, 21555), (315, 21076), (330, 20118), (385, 17244), (396, 16765), (420, 15807), (462, 14370), (479, 13860), (495, 13412), (630, 10538), (660, 10059), (693, 9580), (770, 8622), (924, 7185), (958, 6930), (990, 6706), (1155, 5748), (1260, 5269), (1386, 4790), (1437, 4620), (1540, 4311), (1916, 3465), (1980, 3353), (2310, 2874), (2395, 2772)]