208520760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 256

約数和(自身を含む): 766402560

約数和(自身を除く): 557881800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 43, 46, 56, 60, 69, 70, 84, 86, 92, 105, 115, 120, 129, 138, 140, 161, 168, 172, 184, 210, 215, 230, 251, 258, 276, 280, 301, 322, 344, 345, 420, 430, 460, 483, 502, 516, 552, 602, 644, 645, 690, 753, 805, 840, 860, 903, 920, 966, 989, 1004, 1032, 1204, 1255, 1288, 1290, 1380, 1505, 1506, 1610, 1720, 1757, 1806, 1932, 1978, 2008, 2408, 2415, 2510, 2580, 2760, 2967, 3010, 3012, 3220, 3514, 3612, 3765, 3864, 3956, 4515, 4830, 4945, 5020, 5160, 5271, 5773, 5934, 6020, 6024, 6440, 6923, 7028, 7224, 7530, 7912, 8785, 9030, 9660, 9890, 10040, 10542, 10793, 11546, 11868, 12040, 13846, 14056, 14835, 15060, 17319, 17570, 18060, 19320, 19780, 20769, 21084, 21586, 23092, 23736, 26355, 27692, 28865, 29670, 30120, 32379, 34615, 34638, 35140, 36120, 39560, 40411, 41538, 42168, 43172, 46184, 52710, 53965, 55384, 57730, 59340, 64758, 69230, 69276, 70280, 75551, 80822, 83076, 86344, 86595, 103845, 105420, 107930, 115460, 118680, 121233, 129516, 138460, 138552, 151102, 161644, 161895, 166152, 173190, 202055, 207690, 210840, 215860, 226653, 230920, 242466, 248239, 259032, 276920, 302204, 323288, 323790, 346380, 377755, 404110, 415380, 431720, 453306, 484932, 496478, 604408, 606165, 647580, 692760, 744717, 755510, 808220, 830760, 906612, 969864, 992956, 1133265, 1212330, 1241195, 1295160, 1489434, 1511020, 1616440, 1737673, 1813224, 1985912, 2266530, 2424660, 2482390, 2978868, 3022040, 3475346, 3723585, 4533060, 4849320, 4964780, 5213019, 5957736, 6950692, 7447170, 8688365, 9066120, 9929560, 10426038, 13901384, 14894340, 17376730, 20852076, 26065095, 29788680, 34753460, 41704152, 52130190, 69506920, 104260380, 208520760]

約数ペア:

[(1, 208520760), (2, 104260380), (3, 69506920), (4, 52130190), (5, 41704152), (6, 34753460), (7, 29788680), (8, 26065095), (10, 20852076), (12, 17376730), (14, 14894340), (15, 13901384), (20, 10426038), (21, 9929560), (23, 9066120), (24, 8688365), (28, 7447170), (30, 6950692), (35, 5957736), (40, 5213019), (42, 4964780), (43, 4849320), (46, 4533060), (56, 3723585), (60, 3475346), (69, 3022040), (70, 2978868), (84, 2482390), (86, 2424660), (92, 2266530), (105, 1985912), (115, 1813224), (120, 1737673), (129, 1616440), (138, 1511020), (140, 1489434), (161, 1295160), (168, 1241195), (172, 1212330), (184, 1133265), (210, 992956), (215, 969864), (230, 906612), (251, 830760), (258, 808220), (276, 755510), (280, 744717), (301, 692760), (322, 647580), (344, 606165), (345, 604408), (420, 496478), (430, 484932), (460, 453306), (483, 431720), (502, 415380), (516, 404110), (552, 377755), (602, 346380), (644, 323790), (645, 323288), (690, 302204), (753, 276920), (805, 259032), (840, 248239), (860, 242466), (903, 230920), (920, 226653), (966, 215860), (989, 210840), (1004, 207690), (1032, 202055), (1204, 173190), (1255, 166152), (1288, 161895), (1290, 161644), (1380, 151102), (1505, 138552), (1506, 138460), (1610, 129516), (1720, 121233), (1757, 118680), (1806, 115460), (1932, 107930), (1978, 105420), (2008, 103845), (2408, 86595), (2415, 86344), (2510, 83076), (2580, 80822), (2760, 75551), (2967, 70280), (3010, 69276), (3012, 69230), (3220, 64758), (3514, 59340), (3612, 57730), (3765, 55384), (3864, 53965), (3956, 52710), (4515, 46184), (4830, 43172), (4945, 42168), (5020, 41538), (5160, 40411), (5271, 39560), (5773, 36120), (5934, 35140), (6020, 34638), (6024, 34615), (6440, 32379), (6923, 30120), (7028, 29670), (7224, 28865), (7530, 27692), (7912, 26355), (8785, 23736), (9030, 23092), (9660, 21586), (9890, 21084), (10040, 20769), (10542, 19780), (10793, 19320), (11546, 18060), (11868, 17570), (12040, 17319), (13846, 15060), (14056, 14835)]