138704720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 427472640

約数和(自身を除く): 288767920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 89, 92, 110, 112, 115, 121, 140, 154, 161, 176, 178, 184, 220, 230, 242, 253, 280, 308, 322, 356, 368, 385, 440, 445, 460, 484, 506, 560, 605, 616, 623, 644, 712, 770, 805, 847, 880, 890, 920, 968, 979, 1012, 1210, 1232, 1246, 1265, 1288, 1424, 1540, 1610, 1694, 1771, 1780, 1840, 1936, 1958, 2024, 2047, 2420, 2492, 2530, 2576, 2783, 3080, 3115, 3220, 3388, 3542, 3560, 3916, 4048, 4094, 4235, 4840, 4895, 4984, 5060, 5566, 6160, 6230, 6440, 6776, 6853, 7084, 7120, 7832, 8188, 8470, 8855, 9680, 9790, 9968, 10120, 10235, 10769, 11132, 12460, 12880, 13552, 13706, 13915, 14168, 14329, 15664, 16376, 16940, 17710, 19481, 19580, 20240, 20470, 21538, 22264, 22517, 24920, 27412, 27830, 28336, 28658, 32752, 33880, 34265, 35420, 38962, 39160, 40940, 43076, 44528, 45034, 49840, 53845, 54824, 55660, 57316, 67760, 68530, 70840, 71645, 75383, 77924, 78320, 81880, 86152, 90068, 97405, 107690, 109648, 111320, 112585, 114632, 137060, 141680, 143290, 150766, 155848, 157619, 163760, 172304, 180136, 194810, 215380, 222640, 225170, 229264, 247687, 274120, 286580, 301532, 311696, 315238, 360272, 376915, 389620, 430760, 450340, 495374, 548240, 573160, 603064, 630476, 753830, 779240, 788095, 861520, 900680, 990748, 1146320, 1206128, 1238435, 1260952, 1507660, 1558480, 1576190, 1733809, 1801360, 1981496, 2476870, 2521904, 3015320, 3152380, 3467618, 3962992, 4953740, 6030640, 6304760, 6935236, 8669045, 9907480, 12609520, 13870472, 17338090, 19814960, 27740944, 34676180, 69352360, 138704720]

約数ペア:

[(1, 138704720), (2, 69352360), (4, 34676180), (5, 27740944), (7, 19814960), (8, 17338090), (10, 13870472), (11, 12609520), (14, 9907480), (16, 8669045), (20, 6935236), (22, 6304760), (23, 6030640), (28, 4953740), (35, 3962992), (40, 3467618), (44, 3152380), (46, 3015320), (55, 2521904), (56, 2476870), (70, 1981496), (77, 1801360), (80, 1733809), (88, 1576190), (89, 1558480), (92, 1507660), (110, 1260952), (112, 1238435), (115, 1206128), (121, 1146320), (140, 990748), (154, 900680), (161, 861520), (176, 788095), (178, 779240), (184, 753830), (220, 630476), (230, 603064), (242, 573160), (253, 548240), (280, 495374), (308, 450340), (322, 430760), (356, 389620), (368, 376915), (385, 360272), (440, 315238), (445, 311696), (460, 301532), (484, 286580), (506, 274120), (560, 247687), (605, 229264), (616, 225170), (623, 222640), (644, 215380), (712, 194810), (770, 180136), (805, 172304), (847, 163760), (880, 157619), (890, 155848), (920, 150766), (968, 143290), (979, 141680), (1012, 137060), (1210, 114632), (1232, 112585), (1246, 111320), (1265, 109648), (1288, 107690), (1424, 97405), (1540, 90068), (1610, 86152), (1694, 81880), (1771, 78320), (1780, 77924), (1840, 75383), (1936, 71645), (1958, 70840), (2024, 68530), (2047, 67760), (2420, 57316), (2492, 55660), (2530, 54824), (2576, 53845), (2783, 49840), (3080, 45034), (3115, 44528), (3220, 43076), (3388, 40940), (3542, 39160), (3560, 38962), (3916, 35420), (4048, 34265), (4094, 33880), (4235, 32752), (4840, 28658), (4895, 28336), (4984, 27830), (5060, 27412), (5566, 24920), (6160, 22517), (6230, 22264), (6440, 21538), (6776, 20470), (6853, 20240), (7084, 19580), (7120, 19481), (7832, 17710), (8188, 16940), (8470, 16376), (8855, 15664), (9680, 14329), (9790, 14168), (9968, 13915), (10120, 13706), (10235, 13552), (10769, 12880), (11132, 12460)]