81482880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 275546880

約数和(自身を除く): 194064000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 37, 40, 48, 60, 62, 64, 74, 80, 93, 96, 111, 120, 124, 128, 148, 155, 160, 185, 186, 192, 222, 240, 248, 296, 310, 320, 370, 372, 384, 444, 465, 480, 496, 555, 592, 620, 640, 740, 744, 888, 930, 960, 992, 1110, 1147, 1184, 1240, 1369, 1480, 1488, 1776, 1860, 1920, 1984, 2220, 2294, 2368, 2480, 2738, 2960, 2976, 3441, 3552, 3720, 3968, 4107, 4440, 4588, 4736, 4960, 5476, 5735, 5920, 5952, 6845, 6882, 7104, 7440, 8214, 8880, 9176, 9920, 10952, 11470, 11840, 11904, 13690, 13764, 14208, 14880, 16428, 17205, 17760, 18352, 19840, 20535, 21904, 22940, 23680, 27380, 27528, 29760, 32856, 34410, 35520, 36704, 41070, 42439, 43808, 45880, 54760, 55056, 59520, 65712, 68820, 71040, 73408, 82140, 84878, 87616, 91760, 109520, 110112, 127317, 131424, 137640, 146816, 164280, 169756, 175232, 183520, 212195, 219040, 220224, 254634, 262848, 275280, 328560, 339512, 367040, 424390, 438080, 440448, 509268, 525696, 550560, 636585, 657120, 679024, 734080, 848780, 876160, 1018536, 1101120, 1273170, 1314240, 1358048, 1697560, 2037072, 2202240, 2546340, 2628480, 2716096, 3395120, 4074144, 5092680, 5432192, 6790240, 8148288, 10185360, 13580480, 16296576, 20370720, 27160960, 40741440, 81482880]

約数ペア:

[(1, 81482880), (2, 40741440), (3, 27160960), (4, 20370720), (5, 16296576), (6, 13580480), (8, 10185360), (10, 8148288), (12, 6790240), (15, 5432192), (16, 5092680), (20, 4074144), (24, 3395120), (30, 2716096), (31, 2628480), (32, 2546340), (37, 2202240), (40, 2037072), (48, 1697560), (60, 1358048), (62, 1314240), (64, 1273170), (74, 1101120), (80, 1018536), (93, 876160), (96, 848780), (111, 734080), (120, 679024), (124, 657120), (128, 636585), (148, 550560), (155, 525696), (160, 509268), (185, 440448), (186, 438080), (192, 424390), (222, 367040), (240, 339512), (248, 328560), (296, 275280), (310, 262848), (320, 254634), (370, 220224), (372, 219040), (384, 212195), (444, 183520), (465, 175232), (480, 169756), (496, 164280), (555, 146816), (592, 137640), (620, 131424), (640, 127317), (740, 110112), (744, 109520), (888, 91760), (930, 87616), (960, 84878), (992, 82140), (1110, 73408), (1147, 71040), (1184, 68820), (1240, 65712), (1369, 59520), (1480, 55056), (1488, 54760), (1776, 45880), (1860, 43808), (1920, 42439), (1984, 41070), (2220, 36704), (2294, 35520), (2368, 34410), (2480, 32856), (2738, 29760), (2960, 27528), (2976, 27380), (3441, 23680), (3552, 22940), (3720, 21904), (3968, 20535), (4107, 19840), (4440, 18352), (4588, 17760), (4736, 17205), (4960, 16428), (5476, 14880), (5735, 14208), (5920, 13764), (5952, 13690), (6845, 11904), (6882, 11840), (7104, 11470), (7440, 10952), (8214, 9920), (8880, 9176)]