20656517760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12409}}^1$

素因数の和:12468

約数の個数: 288

約数和(自身を含む): 75778314300

約数和(自身を除く): 55121796540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 289, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 578, 612, 640, 680, 720, 765, 816, 867, 960, 1020, 1088, 1152, 1156, 1224, 1360, 1440, 1445, 1530, 1632, 1734, 1920, 2040, 2176, 2312, 2448, 2601, 2720, 2880, 2890, 3060, 3264, 3468, 4080, 4335, 4624, 4896, 5202, 5440, 5760, 5780, 6120, 6528, 6936, 8160, 8670, 9248, 9792, 10404, 10880, 11560, 12240, 12409, 13005, 13872, 16320, 17340, 18496, 19584, 20808, 23120, 24480, 24818, 26010, 27744, 32640, 34680, 36992, 37227, 41616, 46240, 48960, 49636, 52020, 55488, 62045, 69360, 74454, 83232, 92480, 97920, 99272, 104040, 110976, 111681, 124090, 138720, 148908, 166464, 184960, 186135, 198544, 208080, 210953, 223362, 248180, 277440, 297816, 332928, 372270, 397088, 416160, 421906, 446724, 496360, 554880, 558405, 595632, 632859, 744540, 794176, 832320, 843812, 893448, 992720, 1054765, 1116810, 1191264, 1265718, 1489080, 1588352, 1664640, 1687624, 1786896, 1898577, 1985440, 2109530, 2233620, 2382528, 2531436, 2978160, 3164295, 3375248, 3573792, 3586201, 3797154, 3970880, 4219060, 4467240, 4765056, 5062872, 5956320, 6328590, 6750496, 7147584, 7172402, 7594308, 7941760, 8438120, 8934480, 9492885, 10125744, 10758603, 11912640, 12657180, 13500992, 14295168, 14344804, 15188616, 16876240, 17868960, 17931005, 18985770, 20251488, 21517206, 23825280, 25314360, 27001984, 28689608, 30377232, 32275809, 33752480, 35737920, 35862010, 37971540, 40502976, 43034412, 50628720, 53793015, 57379216, 60754464, 64551618, 67504960, 71475840, 71724020, 75943080, 81005952, 86068824, 101257440, 107586030, 114758432, 121508928, 129103236, 135009920, 143448040, 151886160, 161379045, 172137648, 202514880, 215172060, 229516864, 243017856, 258206472, 286896080, 303772320, 322758090, 344275296, 405029760, 430344120, 459033728, 516412944, 573792160, 607544640, 645516180, 688550592, 860688240, 1032825888, 1147584320, 1215089280, 1291032360, 1377101184, 1721376480, 2065651776, 2295168640, 2582064720, 3442752960, 4131303552, 5164129440, 6885505920, 10328258880, 20656517760]

約数ペア:

[(1, 20656517760), (2, 10328258880), (3, 6885505920), (4, 5164129440), (5, 4131303552), (6, 3442752960), (8, 2582064720), (9, 2295168640), (10, 2065651776), (12, 1721376480), (15, 1377101184), (16, 1291032360), (17, 1215089280), (18, 1147584320), (20, 1032825888), (24, 860688240), (30, 688550592), (32, 645516180), (34, 607544640), (36, 573792160), (40, 516412944), (45, 459033728), (48, 430344120), (51, 405029760), (60, 344275296), (64, 322758090), (68, 303772320), (72, 286896080), (80, 258206472), (85, 243017856), (90, 229516864), (96, 215172060), (102, 202514880), (120, 172137648), (128, 161379045), (136, 151886160), (144, 143448040), (153, 135009920), (160, 129103236), (170, 121508928), (180, 114758432), (192, 107586030), (204, 101257440), (240, 86068824), (255, 81005952), (272, 75943080), (288, 71724020), (289, 71475840), (306, 67504960), (320, 64551618), (340, 60754464), (360, 57379216), (384, 53793015), (408, 50628720), (480, 43034412), (510, 40502976), (544, 37971540), (576, 35862010), (578, 35737920), (612, 33752480), (640, 32275809), (680, 30377232), (720, 28689608), (765, 27001984), (816, 25314360), (867, 23825280), (960, 21517206), (1020, 20251488), (1088, 18985770), (1152, 17931005), (1156, 17868960), (1224, 16876240), (1360, 15188616), (1440, 14344804), (1445, 14295168), (1530, 13500992), (1632, 12657180), (1734, 11912640), (1920, 10758603), (2040, 10125744), (2176, 9492885), (2312, 8934480), (2448, 8438120), (2601, 7941760), (2720, 7594308), (2880, 7172402), (2890, 7147584), (3060, 6750496), (3264, 6328590), (3468, 5956320), (4080, 5062872), (4335, 4765056), (4624, 4467240), (4896, 4219060), (5202, 3970880), (5440, 3797154), (5760, 3586201), (5780, 3573792), (6120, 3375248), (6528, 3164295), (6936, 2978160), (8160, 2531436), (8670, 2382528), (9248, 2233620), (9792, 2109530), (10404, 1985440), (10880, 1898577), (11560, 1786896), (12240, 1687624), (12409, 1664640), (13005, 1588352), (13872, 1489080), (16320, 1265718), (17340, 1191264), (18496, 1116810), (19584, 1054765), (20808, 992720), (23120, 893448), (24480, 843812), (24818, 832320), (26010, 794176), (27744, 744540), (32640, 632859), (34680, 595632), (36992, 558405), (37227, 554880), (41616, 496360), (46240, 446724), (48960, 421906), (49636, 416160), (52020, 397088), (55488, 372270), (62045, 332928), (69360, 297816), (74454, 277440), (83232, 248180), (92480, 223362), (97920, 210953), (99272, 208080), (104040, 198544), (110976, 186135), (111681, 184960), (124090, 166464), (138720, 148908)]