20755164800

素因数分解:

$2^7\times 5^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{571}}^1$

素因数の和:939

約数の個数: 192

約数和(自身を含む): 52921508640

約数和(自身を除く): 32166343840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 128, 148, 160, 185, 200, 296, 307, 320, 370, 400, 571, 592, 614, 640, 740, 800, 925, 1142, 1184, 1228, 1480, 1535, 1600, 1850, 2284, 2368, 2456, 2855, 2960, 3070, 3200, 3700, 4568, 4736, 4912, 5710, 5920, 6140, 7400, 7675, 9136, 9824, 11359, 11420, 11840, 12280, 14275, 14800, 15350, 18272, 19648, 21127, 22718, 22840, 23680, 24560, 28550, 29600, 30700, 36544, 39296, 42254, 45436, 45680, 49120, 56795, 57100, 59200, 61400, 73088, 84508, 90872, 91360, 98240, 105635, 113590, 114200, 118400, 122800, 169016, 175297, 181744, 182720, 196480, 211270, 227180, 228400, 245600, 283975, 338032, 350594, 363488, 365440, 422540, 454360, 456800, 491200, 528175, 567950, 676064, 701188, 726976, 845080, 876485, 908720, 913600, 982400, 1056350, 1135900, 1352128, 1402376, 1453952, 1690160, 1752970, 1817440, 1827200, 2112700, 2271800, 2704256, 2804752, 3380320, 3505940, 3634880, 4225400, 4382425, 4543600, 5609504, 6485989, 6760640, 7011880, 7269760, 8450800, 8764850, 9087200, 11219008, 12971978, 13521280, 14023760, 16901600, 17529700, 18174400, 22438016, 25943956, 28047520, 32429945, 33803200, 35059400, 36348800, 51887912, 56095040, 64859890, 67606400, 70118800, 103775824, 112190080, 129719780, 140237600, 162149725, 207551648, 259439560, 280475200, 324299450, 415103296, 518879120, 560950400, 648598900, 830206592, 1037758240, 1297197800, 2075516480, 2594395600, 4151032960, 5188791200, 10377582400, 20755164800]

約数ペア:

[(1, 20755164800), (2, 10377582400), (4, 5188791200), (5, 4151032960), (8, 2594395600), (10, 2075516480), (16, 1297197800), (20, 1037758240), (25, 830206592), (32, 648598900), (37, 560950400), (40, 518879120), (50, 415103296), (64, 324299450), (74, 280475200), (80, 259439560), (100, 207551648), (128, 162149725), (148, 140237600), (160, 129719780), (185, 112190080), (200, 103775824), (296, 70118800), (307, 67606400), (320, 64859890), (370, 56095040), (400, 51887912), (571, 36348800), (592, 35059400), (614, 33803200), (640, 32429945), (740, 28047520), (800, 25943956), (925, 22438016), (1142, 18174400), (1184, 17529700), (1228, 16901600), (1480, 14023760), (1535, 13521280), (1600, 12971978), (1850, 11219008), (2284, 9087200), (2368, 8764850), (2456, 8450800), (2855, 7269760), (2960, 7011880), (3070, 6760640), (3200, 6485989), (3700, 5609504), (4568, 4543600), (4736, 4382425), (4912, 4225400), (5710, 3634880), (5920, 3505940), (6140, 3380320), (7400, 2804752), (7675, 2704256), (9136, 2271800), (9824, 2112700), (11359, 1827200), (11420, 1817440), (11840, 1752970), (12280, 1690160), (14275, 1453952), (14800, 1402376), (15350, 1352128), (18272, 1135900), (19648, 1056350), (21127, 982400), (22718, 913600), (22840, 908720), (23680, 876485), (24560, 845080), (28550, 726976), (29600, 701188), (30700, 676064), (36544, 567950), (39296, 528175), (42254, 491200), (45436, 456800), (45680, 454360), (49120, 422540), (56795, 365440), (57100, 363488), (59200, 350594), (61400, 338032), (73088, 283975), (84508, 245600), (90872, 228400), (91360, 227180), (98240, 211270), (105635, 196480), (113590, 182720), (114200, 181744), (118400, 175297), (122800, 169016)]