26891280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:75

約数の個数: 240

約数和(自身を含む): 103587120

約数和(自身を除く): 76695840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 169, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 338, 340, 360, 390, 408, 442, 468, 507, 510, 520, 585, 612, 624, 663, 676, 680, 720, 765, 780, 816, 845, 884, 936, 1014, 1020, 1040, 1105, 1170, 1224, 1326, 1352, 1360, 1521, 1530, 1560, 1690, 1768, 1872, 1989, 2028, 2040, 2197, 2210, 2340, 2448, 2535, 2652, 2704, 2873, 3042, 3060, 3120, 3315, 3380, 3536, 3978, 4056, 4080, 4394, 4420, 4680, 5070, 5304, 5746, 6084, 6120, 6591, 6630, 6760, 7605, 7956, 8112, 8619, 8788, 8840, 9360, 9945, 10140, 10608, 10985, 11492, 12168, 12240, 13182, 13260, 13520, 14365, 15210, 15912, 17238, 17576, 17680, 19773, 19890, 20280, 21970, 22984, 24336, 25857, 26364, 26520, 28730, 30420, 31824, 32955, 34476, 35152, 37349, 39546, 39780, 40560, 43095, 43940, 45968, 51714, 52728, 53040, 57460, 60840, 65910, 68952, 74698, 79092, 79560, 86190, 87880, 98865, 103428, 105456, 112047, 114920, 121680, 129285, 131820, 137904, 149396, 158184, 159120, 172380, 175760, 186745, 197730, 206856, 224094, 229840, 258570, 263640, 298792, 316368, 336141, 344760, 373490, 395460, 413712, 448188, 517140, 527280, 560235, 597584, 672282, 689520, 746980, 790920, 896376, 1034280, 1120470, 1344564, 1493960, 1581840, 1680705, 1792752, 2068560, 2240940, 2689128, 2987920, 3361410, 4481880, 5378256, 6722820, 8963760, 13445640, 26891280]

約数ペア:

[(1, 26891280), (2, 13445640), (3, 8963760), (4, 6722820), (5, 5378256), (6, 4481880), (8, 3361410), (9, 2987920), (10, 2689128), (12, 2240940), (13, 2068560), (15, 1792752), (16, 1680705), (17, 1581840), (18, 1493960), (20, 1344564), (24, 1120470), (26, 1034280), (30, 896376), (34, 790920), (36, 746980), (39, 689520), (40, 672282), (45, 597584), (48, 560235), (51, 527280), (52, 517140), (60, 448188), (65, 413712), (68, 395460), (72, 373490), (78, 344760), (80, 336141), (85, 316368), (90, 298792), (102, 263640), (104, 258570), (117, 229840), (120, 224094), (130, 206856), (136, 197730), (144, 186745), (153, 175760), (156, 172380), (169, 159120), (170, 158184), (180, 149396), (195, 137904), (204, 131820), (208, 129285), (221, 121680), (234, 114920), (240, 112047), (255, 105456), (260, 103428), (272, 98865), (306, 87880), (312, 86190), (338, 79560), (340, 79092), (360, 74698), (390, 68952), (408, 65910), (442, 60840), (468, 57460), (507, 53040), (510, 52728), (520, 51714), (585, 45968), (612, 43940), (624, 43095), (663, 40560), (676, 39780), (680, 39546), (720, 37349), (765, 35152), (780, 34476), (816, 32955), (845, 31824), (884, 30420), (936, 28730), (1014, 26520), (1020, 26364), (1040, 25857), (1105, 24336), (1170, 22984), (1224, 21970), (1326, 20280), (1352, 19890), (1360, 19773), (1521, 17680), (1530, 17576), (1560, 17238), (1690, 15912), (1768, 15210), (1872, 14365), (1989, 13520), (2028, 13260), (2040, 13182), (2197, 12240), (2210, 12168), (2340, 11492), (2448, 10985), (2535, 10608), (2652, 10140), (2704, 9945), (2873, 9360), (3042, 8840), (3060, 8788), (3120, 8619), (3315, 8112), (3380, 7956), (3536, 7605), (3978, 6760), (4056, 6630), (4080, 6591), (4394, 6120), (4420, 6084), (4680, 5746), (5070, 5304)]