247047680

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 160

約数和(自身を含む): 669385728

約数和(自身を除く): 422338048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 283, 310, 320, 341, 352, 440, 496, 512, 566, 620, 640, 682, 704, 880, 992, 1132, 1240, 1280, 1364, 1408, 1415, 1705, 1760, 1984, 2264, 2480, 2560, 2728, 2816, 2830, 3113, 3410, 3520, 3968, 4528, 4960, 5456, 5632, 5660, 6226, 6820, 7040, 7936, 8773, 9056, 9920, 10912, 11320, 12452, 13640, 14080, 15565, 15872, 17546, 18112, 19840, 21824, 22640, 24904, 27280, 28160, 31130, 35092, 36224, 39680, 43648, 43865, 45280, 49808, 54560, 62260, 70184, 72448, 79360, 87296, 87730, 90560, 96503, 99616, 109120, 124520, 140368, 144896, 174592, 175460, 181120, 193006, 199232, 218240, 249040, 280736, 350920, 362240, 386012, 398464, 436480, 482515, 498080, 561472, 701840, 724480, 772024, 796928, 872960, 965030, 996160, 1122944, 1403680, 1544048, 1593856, 1930060, 1992320, 2245888, 2807360, 3088096, 3860120, 3984640, 4491776, 5614720, 6176192, 7720240, 7969280, 11229440, 12352384, 15440480, 22458880, 24704768, 30880960, 49409536, 61761920, 123523840, 247047680]

約数ペア:

[(1, 247047680), (2, 123523840), (4, 61761920), (5, 49409536), (8, 30880960), (10, 24704768), (11, 22458880), (16, 15440480), (20, 12352384), (22, 11229440), (31, 7969280), (32, 7720240), (40, 6176192), (44, 5614720), (55, 4491776), (62, 3984640), (64, 3860120), (80, 3088096), (88, 2807360), (110, 2245888), (124, 1992320), (128, 1930060), (155, 1593856), (160, 1544048), (176, 1403680), (220, 1122944), (248, 996160), (256, 965030), (283, 872960), (310, 796928), (320, 772024), (341, 724480), (352, 701840), (440, 561472), (496, 498080), (512, 482515), (566, 436480), (620, 398464), (640, 386012), (682, 362240), (704, 350920), (880, 280736), (992, 249040), (1132, 218240), (1240, 199232), (1280, 193006), (1364, 181120), (1408, 175460), (1415, 174592), (1705, 144896), (1760, 140368), (1984, 124520), (2264, 109120), (2480, 99616), (2560, 96503), (2728, 90560), (2816, 87730), (2830, 87296), (3113, 79360), (3410, 72448), (3520, 70184), (3968, 62260), (4528, 54560), (4960, 49808), (5456, 45280), (5632, 43865), (5660, 43648), (6226, 39680), (6820, 36224), (7040, 35092), (7936, 31130), (8773, 28160), (9056, 27280), (9920, 24904), (10912, 22640), (11320, 21824), (12452, 19840), (13640, 18112), (14080, 17546), (15565, 15872)]