1218030720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 256

約数和(自身を含む): 4131734400

約数和(自身を除く): 2913703680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 173, 190, 192, 193, 228, 240, 285, 304, 320, 346, 380, 384, 386, 456, 480, 519, 570, 579, 608, 640, 692, 760, 772, 865, 912, 960, 965, 1038, 1140, 1158, 1216, 1384, 1520, 1544, 1730, 1824, 1920, 1930, 2076, 2280, 2316, 2432, 2595, 2768, 2895, 3040, 3088, 3287, 3460, 3648, 3667, 3860, 4152, 4560, 4632, 5190, 5536, 5790, 6080, 6176, 6574, 6920, 7296, 7334, 7720, 8304, 9120, 9264, 9861, 10380, 11001, 11072, 11580, 12160, 12352, 13148, 13840, 14668, 15440, 16435, 16608, 18240, 18335, 18528, 19722, 20760, 22002, 22144, 23160, 24704, 26296, 27680, 29336, 30880, 32870, 33216, 33389, 36480, 36670, 37056, 39444, 41520, 44004, 46320, 49305, 52592, 55005, 55360, 58672, 61760, 65740, 66432, 66778, 73340, 74112, 78888, 83040, 88008, 92640, 98610, 100167, 105184, 110010, 110720, 117344, 123520, 131480, 133556, 146680, 157776, 166080, 166945, 176016, 185280, 197220, 200334, 210368, 220020, 234688, 262960, 267112, 293360, 315552, 332160, 333890, 352032, 370560, 394440, 400668, 420736, 440040, 469376, 500835, 525920, 534224, 586720, 631104, 634391, 667780, 704064, 788880, 801336, 880080, 1001670, 1051840, 1068448, 1173440, 1262208, 1268782, 1335560, 1408128, 1577760, 1602672, 1760160, 1903173, 2003340, 2103680, 2136896, 2346880, 2537564, 2671120, 3155520, 3171955, 3205344, 3520320, 3806346, 4006680, 4273792, 5075128, 5342240, 6311040, 6343910, 6410688, 7040640, 7612692, 8013360, 9515865, 10150256, 10684480, 12687820, 12821376, 15225384, 16026720, 19031730, 20300512, 21368960, 25375640, 30450768, 32053440, 38063460, 40601024, 50751280, 60901536, 64106880, 76126920, 81202048, 101502560, 121803072, 152253840, 203005120, 243606144, 304507680, 406010240, 609015360, 1218030720]

約数ペア:

[(1, 1218030720), (2, 609015360), (3, 406010240), (4, 304507680), (5, 243606144), (6, 203005120), (8, 152253840), (10, 121803072), (12, 101502560), (15, 81202048), (16, 76126920), (19, 64106880), (20, 60901536), (24, 50751280), (30, 40601024), (32, 38063460), (38, 32053440), (40, 30450768), (48, 25375640), (57, 21368960), (60, 20300512), (64, 19031730), (76, 16026720), (80, 15225384), (95, 12821376), (96, 12687820), (114, 10684480), (120, 10150256), (128, 9515865), (152, 8013360), (160, 7612692), (173, 7040640), (190, 6410688), (192, 6343910), (193, 6311040), (228, 5342240), (240, 5075128), (285, 4273792), (304, 4006680), (320, 3806346), (346, 3520320), (380, 3205344), (384, 3171955), (386, 3155520), (456, 2671120), (480, 2537564), (519, 2346880), (570, 2136896), (579, 2103680), (608, 2003340), (640, 1903173), (692, 1760160), (760, 1602672), (772, 1577760), (865, 1408128), (912, 1335560), (960, 1268782), (965, 1262208), (1038, 1173440), (1140, 1068448), (1158, 1051840), (1216, 1001670), (1384, 880080), (1520, 801336), (1544, 788880), (1730, 704064), (1824, 667780), (1920, 634391), (1930, 631104), (2076, 586720), (2280, 534224), (2316, 525920), (2432, 500835), (2595, 469376), (2768, 440040), (2895, 420736), (3040, 400668), (3088, 394440), (3287, 370560), (3460, 352032), (3648, 333890), (3667, 332160), (3860, 315552), (4152, 293360), (4560, 267112), (4632, 262960), (5190, 234688), (5536, 220020), (5790, 210368), (6080, 200334), (6176, 197220), (6574, 185280), (6920, 176016), (7296, 166945), (7334, 166080), (7720, 157776), (8304, 146680), (9120, 133556), (9264, 131480), (9861, 123520), (10380, 117344), (11001, 110720), (11072, 110010), (11580, 105184), (12160, 100167), (12352, 98610), (13148, 92640), (13840, 88008), (14668, 83040), (15440, 78888), (16435, 74112), (16608, 73340), (18240, 66778), (18335, 66432), (18528, 65740), (19722, 61760), (20760, 58672), (22002, 55360), (22144, 55005), (23160, 52592), (24704, 49305), (26296, 46320), (27680, 44004), (29336, 41520), (30880, 39444), (32870, 37056), (33216, 36670), (33389, 36480)]