68440680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 256

約数和(自身を含む): 284774400

約数和(自身を除く): 216333720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 823, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1646, 1848, 1890, 1980, 2079, 2310, 2376, 2469, 2520, 2772, 2970, 3080, 3292, 3465, 3780, 3960, 4115, 4158, 4620, 4938, 5544, 5761, 5940, 6584, 6930, 7407, 7560, 8230, 8316, 9053, 9240, 9876, 10395, 11522, 11880, 12345, 13860, 14814, 16460, 16632, 17283, 18106, 19752, 20790, 22221, 23044, 24690, 27159, 27720, 28805, 29628, 32920, 34566, 36212, 37035, 41580, 44442, 45265, 46088, 49380, 51849, 54318, 57610, 59256, 63371, 69132, 72424, 74070, 81477, 83160, 86415, 88884, 90530, 98760, 103698, 108636, 111105, 115220, 126742, 135795, 138264, 148140, 155547, 162954, 172830, 177768, 181060, 190113, 207396, 217272, 222210, 230440, 244431, 253484, 259245, 271590, 296280, 311094, 316855, 325908, 345660, 362120, 380226, 407385, 414792, 444420, 488862, 506968, 518490, 543180, 570339, 622188, 633710, 651816, 691320, 760452, 777735, 814770, 888840, 950565, 977724, 1036980, 1086360, 1140678, 1222155, 1244376, 1267420, 1520904, 1555470, 1629540, 1711017, 1901130, 1955448, 2073960, 2281356, 2444310, 2534840, 2851695, 3110940, 3259080, 3422034, 3802260, 4562712, 4888620, 5703390, 6221880, 6844068, 7604520, 8555085, 9777240, 11406780, 13688136, 17110170, 22813560, 34220340, 68440680]

約数ペア:

[(1, 68440680), (2, 34220340), (3, 22813560), (4, 17110170), (5, 13688136), (6, 11406780), (7, 9777240), (8, 8555085), (9, 7604520), (10, 6844068), (11, 6221880), (12, 5703390), (14, 4888620), (15, 4562712), (18, 3802260), (20, 3422034), (21, 3259080), (22, 3110940), (24, 2851695), (27, 2534840), (28, 2444310), (30, 2281356), (33, 2073960), (35, 1955448), (36, 1901130), (40, 1711017), (42, 1629540), (44, 1555470), (45, 1520904), (54, 1267420), (55, 1244376), (56, 1222155), (60, 1140678), (63, 1086360), (66, 1036980), (70, 977724), (72, 950565), (77, 888840), (84, 814770), (88, 777735), (90, 760452), (99, 691320), (105, 651816), (108, 633710), (110, 622188), (120, 570339), (126, 543180), (132, 518490), (135, 506968), (140, 488862), (154, 444420), (165, 414792), (168, 407385), (180, 380226), (189, 362120), (198, 345660), (210, 325908), (216, 316855), (220, 311094), (231, 296280), (252, 271590), (264, 259245), (270, 253484), (280, 244431), (297, 230440), (308, 222210), (315, 217272), (330, 207396), (360, 190113), (378, 181060), (385, 177768), (396, 172830), (420, 162954), (440, 155547), (462, 148140), (495, 138264), (504, 135795), (540, 126742), (594, 115220), (616, 111105), (630, 108636), (660, 103698), (693, 98760), (756, 90530), (770, 88884), (792, 86415), (823, 83160), (840, 81477), (924, 74070), (945, 72424), (990, 69132), (1080, 63371), (1155, 59256), (1188, 57610), (1260, 54318), (1320, 51849), (1386, 49380), (1485, 46088), (1512, 45265), (1540, 44442), (1646, 41580), (1848, 37035), (1890, 36212), (1980, 34566), (2079, 32920), (2310, 29628), (2376, 28805), (2469, 27720), (2520, 27159), (2772, 24690), (2970, 23044), (3080, 22221), (3292, 20790), (3465, 19752), (3780, 18106), (3960, 17283), (4115, 16632), (4158, 16460), (4620, 14814), (4938, 13860), (5544, 12345), (5761, 11880), (5940, 11522), (6584, 10395), (6930, 9876), (7407, 9240), (7560, 9053), (8230, 8316)]