85707440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 250567296

約数和(自身を除く): 164859856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 80, 91, 104, 112, 122, 130, 140, 182, 193, 208, 244, 260, 280, 305, 364, 386, 427, 455, 488, 520, 560, 610, 728, 772, 793, 854, 910, 965, 976, 1040, 1220, 1351, 1456, 1544, 1586, 1708, 1820, 1930, 2135, 2440, 2509, 2702, 3088, 3172, 3416, 3640, 3860, 3965, 4270, 4880, 5018, 5404, 5551, 6344, 6755, 6832, 7280, 7720, 7930, 8540, 10036, 10808, 11102, 11773, 12545, 12688, 13510, 15440, 15860, 17080, 17563, 20072, 21616, 22204, 23546, 25090, 27020, 27755, 31720, 34160, 35126, 40144, 44408, 47092, 50180, 54040, 55510, 58865, 63440, 70252, 82411, 87815, 88816, 94184, 100360, 108080, 111020, 117730, 140504, 153049, 164822, 175630, 188368, 200720, 222040, 235460, 281008, 306098, 329644, 351260, 412055, 444080, 470920, 612196, 659288, 702520, 765245, 824110, 941840, 1071343, 1224392, 1318576, 1405040, 1530490, 1648220, 2142686, 2448784, 3060980, 3296440, 4285372, 5356715, 6121960, 6592880, 8570744, 10713430, 12243920, 17141488, 21426860, 42853720, 85707440]

約数ペア:

[(1, 85707440), (2, 42853720), (4, 21426860), (5, 17141488), (7, 12243920), (8, 10713430), (10, 8570744), (13, 6592880), (14, 6121960), (16, 5356715), (20, 4285372), (26, 3296440), (28, 3060980), (35, 2448784), (40, 2142686), (52, 1648220), (56, 1530490), (61, 1405040), (65, 1318576), (70, 1224392), (80, 1071343), (91, 941840), (104, 824110), (112, 765245), (122, 702520), (130, 659288), (140, 612196), (182, 470920), (193, 444080), (208, 412055), (244, 351260), (260, 329644), (280, 306098), (305, 281008), (364, 235460), (386, 222040), (427, 200720), (455, 188368), (488, 175630), (520, 164822), (560, 153049), (610, 140504), (728, 117730), (772, 111020), (793, 108080), (854, 100360), (910, 94184), (965, 88816), (976, 87815), (1040, 82411), (1220, 70252), (1351, 63440), (1456, 58865), (1544, 55510), (1586, 54040), (1708, 50180), (1820, 47092), (1930, 44408), (2135, 40144), (2440, 35126), (2509, 34160), (2702, 31720), (3088, 27755), (3172, 27020), (3416, 25090), (3640, 23546), (3860, 22204), (3965, 21616), (4270, 20072), (4880, 17563), (5018, 17080), (5404, 15860), (5551, 15440), (6344, 13510), (6755, 12688), (6832, 12545), (7280, 11773), (7720, 11102), (7930, 10808), (8540, 10036)]