1981658880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 324

約数和(自身を含む): 7124218920

約数和(自身を除く): 5142560040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 179, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 358, 360, 372, 384, 465, 480, 496, 537, 558, 576, 620, 640, 716, 720, 744, 768, 895, 930, 960, 961, 992, 1074, 1116, 1152, 1240, 1280, 1395, 1432, 1440, 1488, 1611, 1790, 1860, 1920, 1922, 1984, 2148, 2232, 2304, 2480, 2685, 2790, 2864, 2880, 2883, 2976, 3222, 3580, 3720, 3840, 3844, 3968, 4296, 4464, 4805, 4960, 5370, 5549, 5580, 5728, 5760, 5766, 5952, 6444, 7160, 7440, 7688, 7936, 8055, 8592, 8649, 8928, 9610, 9920, 10740, 11098, 11160, 11456, 11520, 11532, 11904, 12888, 14320, 14415, 14880, 15376, 16110, 16647, 17184, 17298, 17856, 19220, 19840, 21480, 22196, 22320, 22912, 23064, 23808, 25776, 27745, 28640, 28830, 29760, 30752, 32220, 33294, 34368, 34596, 35712, 38440, 39680, 42960, 43245, 44392, 44640, 45824, 46128, 49941, 51552, 55490, 57280, 57660, 59520, 61504, 64440, 66588, 68736, 69192, 71424, 76880, 83235, 85920, 86490, 88784, 89280, 92256, 99882, 103104, 110980, 114560, 115320, 119040, 123008, 128880, 133176, 137472, 138384, 153760, 166470, 171840, 172019, 172980, 177568, 178560, 184512, 199764, 206208, 221960, 229120, 230640, 246016, 249705, 257760, 266352, 276768, 307520, 332940, 343680, 344038, 345960, 355136, 357120, 369024, 399528, 412416, 443920, 461280, 499410, 515520, 516057, 532704, 553536, 615040, 665880, 687360, 688076, 691920, 710272, 738048, 799056, 860095, 887840, 922560, 998820, 1031040, 1032114, 1065408, 1107072, 1230080, 1331760, 1376152, 1383840, 1420544, 1548171, 1598112, 1720190, 1775680, 1845120, 1997640, 2062080, 2064228, 2130816, 2214144, 2580285, 2663520, 2752304, 2767680, 3096342, 3196224, 3440380, 3551360, 3690240, 3995280, 4128456, 4261632, 5160570, 5327040, 5504608, 5535360, 6192684, 6392448, 6880760, 7102720, 7740855, 7990560, 8256912, 10321140, 10654080, 11009216, 11070720, 12385368, 12784896, 13761520, 15481710, 15981120, 16513824, 20642280, 21308160, 22018432, 24770736, 27523040, 30963420, 31962240, 33027648, 41284560, 44036864, 49541472, 55046080, 61926840, 63924480, 66055296, 82569120, 99082944, 110092160, 123853680, 132110592, 165138240, 198165888, 220184320, 247707360, 330276480, 396331776, 495414720, 660552960, 990829440, 1981658880]

約数ペア:

[(1, 1981658880), (2, 990829440), (3, 660552960), (4, 495414720), (5, 396331776), (6, 330276480), (8, 247707360), (9, 220184320), (10, 198165888), (12, 165138240), (15, 132110592), (16, 123853680), (18, 110092160), (20, 99082944), (24, 82569120), (30, 66055296), (31, 63924480), (32, 61926840), (36, 55046080), (40, 49541472), (45, 44036864), (48, 41284560), (60, 33027648), (62, 31962240), (64, 30963420), (72, 27523040), (80, 24770736), (90, 22018432), (93, 21308160), (96, 20642280), (120, 16513824), (124, 15981120), (128, 15481710), (144, 13761520), (155, 12784896), (160, 12385368), (179, 11070720), (180, 11009216), (186, 10654080), (192, 10321140), (240, 8256912), (248, 7990560), (256, 7740855), (279, 7102720), (288, 6880760), (310, 6392448), (320, 6192684), (358, 5535360), (360, 5504608), (372, 5327040), (384, 5160570), (465, 4261632), (480, 4128456), (496, 3995280), (537, 3690240), (558, 3551360), (576, 3440380), (620, 3196224), (640, 3096342), (716, 2767680), (720, 2752304), (744, 2663520), (768, 2580285), (895, 2214144), (930, 2130816), (960, 2064228), (961, 2062080), (992, 1997640), (1074, 1845120), (1116, 1775680), (1152, 1720190), (1240, 1598112), (1280, 1548171), (1395, 1420544), (1432, 1383840), (1440, 1376152), (1488, 1331760), (1611, 1230080), (1790, 1107072), (1860, 1065408), (1920, 1032114), (1922, 1031040), (1984, 998820), (2148, 922560), (2232, 887840), (2304, 860095), (2480, 799056), (2685, 738048), (2790, 710272), (2864, 691920), (2880, 688076), (2883, 687360), (2976, 665880), (3222, 615040), (3580, 553536), (3720, 532704), (3840, 516057), (3844, 515520), (3968, 499410), (4296, 461280), (4464, 443920), (4805, 412416), (4960, 399528), (5370, 369024), (5549, 357120), (5580, 355136), (5728, 345960), (5760, 344038), (5766, 343680), (5952, 332940), (6444, 307520), (7160, 276768), (7440, 266352), (7688, 257760), (7936, 249705), (8055, 246016), (8592, 230640), (8649, 229120), (8928, 221960), (9610, 206208), (9920, 199764), (10740, 184512), (11098, 178560), (11160, 177568), (11456, 172980), (11520, 172019), (11532, 171840), (11904, 166470), (12888, 153760), (14320, 138384), (14415, 137472), (14880, 133176), (15376, 128880), (16110, 123008), (16647, 119040), (17184, 115320), (17298, 114560), (17856, 110980), (19220, 103104), (19840, 99882), (21480, 92256), (22196, 89280), (22320, 88784), (22912, 86490), (23064, 85920), (23808, 83235), (25776, 76880), (27745, 71424), (28640, 69192), (28830, 68736), (29760, 66588), (30752, 64440), (32220, 61504), (33294, 59520), (34368, 57660), (34596, 57280), (35712, 55490), (38440, 51552), (39680, 49941), (42960, 46128), (43245, 45824), (44392, 44640)]