81538080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 192

約数和(自身を含む): 281957760

約数和(自身を除く): 200419680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 73, 78, 80, 96, 104, 120, 130, 146, 156, 160, 179, 195, 208, 219, 240, 260, 292, 312, 358, 365, 390, 416, 438, 480, 520, 537, 584, 624, 716, 730, 780, 876, 895, 949, 1040, 1074, 1095, 1168, 1248, 1432, 1460, 1560, 1752, 1790, 1898, 2080, 2148, 2190, 2327, 2336, 2685, 2847, 2864, 2920, 3120, 3504, 3580, 3796, 4296, 4380, 4654, 4745, 5370, 5694, 5728, 5840, 6240, 6981, 7008, 7160, 7592, 8592, 8760, 9308, 9490, 10740, 11388, 11635, 11680, 13067, 13962, 14235, 14320, 15184, 17184, 17520, 18616, 18980, 21480, 22776, 23270, 26134, 27924, 28470, 28640, 30368, 34905, 35040, 37232, 37960, 39201, 42960, 45552, 46540, 52268, 55848, 56940, 65335, 69810, 74464, 75920, 78402, 85920, 91104, 93080, 104536, 111696, 113880, 130670, 139620, 151840, 156804, 169871, 186160, 196005, 209072, 223392, 227760, 261340, 279240, 313608, 339742, 372320, 392010, 418144, 455520, 509613, 522680, 558480, 627216, 679484, 784020, 849355, 1019226, 1045360, 1116960, 1254432, 1358968, 1568040, 1698710, 2038452, 2090720, 2548065, 2717936, 3136080, 3397420, 4076904, 5096130, 5435872, 6272160, 6794840, 8153808, 10192260, 13589680, 16307616, 20384520, 27179360, 40769040, 81538080]

約数ペア:

[(1, 81538080), (2, 40769040), (3, 27179360), (4, 20384520), (5, 16307616), (6, 13589680), (8, 10192260), (10, 8153808), (12, 6794840), (13, 6272160), (15, 5435872), (16, 5096130), (20, 4076904), (24, 3397420), (26, 3136080), (30, 2717936), (32, 2548065), (39, 2090720), (40, 2038452), (48, 1698710), (52, 1568040), (60, 1358968), (65, 1254432), (73, 1116960), (78, 1045360), (80, 1019226), (96, 849355), (104, 784020), (120, 679484), (130, 627216), (146, 558480), (156, 522680), (160, 509613), (179, 455520), (195, 418144), (208, 392010), (219, 372320), (240, 339742), (260, 313608), (292, 279240), (312, 261340), (358, 227760), (365, 223392), (390, 209072), (416, 196005), (438, 186160), (480, 169871), (520, 156804), (537, 151840), (584, 139620), (624, 130670), (716, 113880), (730, 111696), (780, 104536), (876, 93080), (895, 91104), (949, 85920), (1040, 78402), (1074, 75920), (1095, 74464), (1168, 69810), (1248, 65335), (1432, 56940), (1460, 55848), (1560, 52268), (1752, 46540), (1790, 45552), (1898, 42960), (2080, 39201), (2148, 37960), (2190, 37232), (2327, 35040), (2336, 34905), (2685, 30368), (2847, 28640), (2864, 28470), (2920, 27924), (3120, 26134), (3504, 23270), (3580, 22776), (3796, 21480), (4296, 18980), (4380, 18616), (4654, 17520), (4745, 17184), (5370, 15184), (5694, 14320), (5728, 14235), (5840, 13962), (6240, 13067), (6981, 11680), (7008, 11635), (7160, 11388), (7592, 10740), (8592, 9490), (8760, 9308)]