81947600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:182

約数の個数: 180

約数和(自身を含む): 237293964

約数和(自身を除く): 155346364

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 80, 98, 100, 112, 113, 140, 148, 175, 185, 196, 200, 226, 245, 259, 280, 296, 350, 370, 392, 400, 452, 490, 518, 560, 565, 592, 700, 740, 784, 791, 904, 925, 980, 1036, 1130, 1225, 1295, 1400, 1480, 1582, 1808, 1813, 1850, 1960, 2072, 2260, 2450, 2590, 2800, 2825, 2960, 3164, 3626, 3700, 3920, 3955, 4144, 4181, 4520, 4900, 5180, 5537, 5650, 6328, 6475, 7252, 7400, 7910, 8362, 9040, 9065, 9800, 10360, 11074, 11300, 12656, 12950, 14504, 14800, 15820, 16724, 18130, 19600, 19775, 20720, 20905, 22148, 22600, 25900, 27685, 29008, 29267, 31640, 33448, 36260, 39550, 41810, 44296, 45200, 45325, 51800, 55370, 58534, 63280, 66896, 72520, 79100, 83620, 88592, 90650, 103600, 104525, 110740, 117068, 138425, 145040, 146335, 158200, 167240, 181300, 204869, 209050, 221480, 234136, 276850, 292670, 316400, 334480, 362600, 409738, 418100, 442960, 468272, 553700, 585340, 725200, 731675, 819476, 836200, 1024345, 1107400, 1170680, 1463350, 1638952, 1672400, 2048690, 2214800, 2341360, 2926700, 3277904, 4097380, 5121725, 5853400, 8194760, 10243450, 11706800, 16389520, 20486900, 40973800, 81947600]

約数ペア:

[(1, 81947600), (2, 40973800), (4, 20486900), (5, 16389520), (7, 11706800), (8, 10243450), (10, 8194760), (14, 5853400), (16, 5121725), (20, 4097380), (25, 3277904), (28, 2926700), (35, 2341360), (37, 2214800), (40, 2048690), (49, 1672400), (50, 1638952), (56, 1463350), (70, 1170680), (74, 1107400), (80, 1024345), (98, 836200), (100, 819476), (112, 731675), (113, 725200), (140, 585340), (148, 553700), (175, 468272), (185, 442960), (196, 418100), (200, 409738), (226, 362600), (245, 334480), (259, 316400), (280, 292670), (296, 276850), (350, 234136), (370, 221480), (392, 209050), (400, 204869), (452, 181300), (490, 167240), (518, 158200), (560, 146335), (565, 145040), (592, 138425), (700, 117068), (740, 110740), (784, 104525), (791, 103600), (904, 90650), (925, 88592), (980, 83620), (1036, 79100), (1130, 72520), (1225, 66896), (1295, 63280), (1400, 58534), (1480, 55370), (1582, 51800), (1808, 45325), (1813, 45200), (1850, 44296), (1960, 41810), (2072, 39550), (2260, 36260), (2450, 33448), (2590, 31640), (2800, 29267), (2825, 29008), (2960, 27685), (3164, 25900), (3626, 22600), (3700, 22148), (3920, 20905), (3955, 20720), (4144, 19775), (4181, 19600), (4520, 18130), (4900, 16724), (5180, 15820), (5537, 14800), (5650, 14504), (6328, 12950), (6475, 12656), (7252, 11300), (7400, 11074), (7910, 10360), (8362, 9800), (9040, 9065)]