19567680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 224

約数和(自身を含む): 72420480

約数和(自身を除く): 52852800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 109, 110, 120, 132, 136, 160, 165, 170, 176, 187, 192, 204, 218, 220, 240, 255, 264, 272, 320, 327, 330, 340, 352, 374, 408, 436, 440, 480, 510, 528, 544, 545, 561, 654, 660, 680, 704, 748, 816, 872, 880, 935, 960, 1020, 1056, 1088, 1090, 1122, 1199, 1308, 1320, 1360, 1496, 1632, 1635, 1744, 1760, 1853, 1870, 2040, 2112, 2180, 2244, 2398, 2616, 2640, 2720, 2805, 2992, 3264, 3270, 3488, 3520, 3597, 3706, 3740, 4080, 4360, 4488, 4796, 5232, 5280, 5440, 5559, 5610, 5984, 5995, 6540, 6976, 7194, 7412, 7480, 8160, 8720, 8976, 9265, 9592, 10464, 10560, 11118, 11220, 11968, 11990, 13080, 14388, 14824, 14960, 16320, 17440, 17952, 17985, 18530, 19184, 20383, 20928, 22236, 22440, 23980, 26160, 27795, 28776, 29648, 29920, 34880, 35904, 35970, 37060, 38368, 40766, 44472, 44880, 47960, 52320, 55590, 57552, 59296, 59840, 61149, 71940, 74120, 76736, 81532, 88944, 89760, 95920, 101915, 104640, 111180, 115104, 118592, 122298, 143880, 148240, 163064, 177888, 179520, 191840, 203830, 222360, 230208, 244596, 287760, 296480, 305745, 326128, 355776, 383680, 407660, 444720, 489192, 575520, 592960, 611490, 652256, 815320, 889440, 978384, 1151040, 1222980, 1304512, 1630640, 1778880, 1956768, 2445960, 3261280, 3913536, 4891920, 6522560, 9783840, 19567680]

約数ペア:

[(1, 19567680), (2, 9783840), (3, 6522560), (4, 4891920), (5, 3913536), (6, 3261280), (8, 2445960), (10, 1956768), (11, 1778880), (12, 1630640), (15, 1304512), (16, 1222980), (17, 1151040), (20, 978384), (22, 889440), (24, 815320), (30, 652256), (32, 611490), (33, 592960), (34, 575520), (40, 489192), (44, 444720), (48, 407660), (51, 383680), (55, 355776), (60, 326128), (64, 305745), (66, 296480), (68, 287760), (80, 244596), (85, 230208), (88, 222360), (96, 203830), (102, 191840), (109, 179520), (110, 177888), (120, 163064), (132, 148240), (136, 143880), (160, 122298), (165, 118592), (170, 115104), (176, 111180), (187, 104640), (192, 101915), (204, 95920), (218, 89760), (220, 88944), (240, 81532), (255, 76736), (264, 74120), (272, 71940), (320, 61149), (327, 59840), (330, 59296), (340, 57552), (352, 55590), (374, 52320), (408, 47960), (436, 44880), (440, 44472), (480, 40766), (510, 38368), (528, 37060), (544, 35970), (545, 35904), (561, 34880), (654, 29920), (660, 29648), (680, 28776), (704, 27795), (748, 26160), (816, 23980), (872, 22440), (880, 22236), (935, 20928), (960, 20383), (1020, 19184), (1056, 18530), (1088, 17985), (1090, 17952), (1122, 17440), (1199, 16320), (1308, 14960), (1320, 14824), (1360, 14388), (1496, 13080), (1632, 11990), (1635, 11968), (1744, 11220), (1760, 11118), (1853, 10560), (1870, 10464), (2040, 9592), (2112, 9265), (2180, 8976), (2244, 8720), (2398, 8160), (2616, 7480), (2640, 7412), (2720, 7194), (2805, 6976), (2992, 6540), (3264, 5995), (3270, 5984), (3488, 5610), (3520, 5559), (3597, 5440), (3706, 5280), (3740, 5232), (4080, 4796), (4360, 4488)]