291013120

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 160

約数和(自身を含む): 762094080

約数和(自身を除く): 471080960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 193, 248, 256, 304, 310, 320, 380, 386, 496, 512, 589, 608, 620, 640, 760, 772, 965, 992, 1178, 1216, 1240, 1280, 1520, 1544, 1930, 1984, 2356, 2432, 2480, 2560, 2945, 3040, 3088, 3667, 3860, 3968, 4712, 4864, 4960, 5890, 5983, 6080, 6176, 7334, 7720, 7936, 9424, 9728, 9920, 11780, 11966, 12160, 12352, 14668, 15440, 15872, 18335, 18848, 19840, 23560, 23932, 24320, 24704, 29336, 29915, 30880, 36670, 37696, 39680, 47120, 47864, 48640, 49408, 58672, 59830, 61760, 73340, 75392, 79360, 94240, 95728, 98816, 113677, 117344, 119660, 123520, 146680, 150784, 188480, 191456, 227354, 234688, 239320, 247040, 293360, 301568, 376960, 382912, 454708, 469376, 478640, 494080, 568385, 586720, 753920, 765824, 909416, 938752, 957280, 1136770, 1173440, 1507840, 1531648, 1818832, 1877504, 1914560, 2273540, 2346880, 3063296, 3637664, 3829120, 4547080, 4693760, 7275328, 7658240, 9094160, 9387520, 14550656, 15316480, 18188320, 29101312, 36376640, 58202624, 72753280, 145506560, 291013120]

約数ペア:

[(1, 291013120), (2, 145506560), (4, 72753280), (5, 58202624), (8, 36376640), (10, 29101312), (16, 18188320), (19, 15316480), (20, 14550656), (31, 9387520), (32, 9094160), (38, 7658240), (40, 7275328), (62, 4693760), (64, 4547080), (76, 3829120), (80, 3637664), (95, 3063296), (124, 2346880), (128, 2273540), (152, 1914560), (155, 1877504), (160, 1818832), (190, 1531648), (193, 1507840), (248, 1173440), (256, 1136770), (304, 957280), (310, 938752), (320, 909416), (380, 765824), (386, 753920), (496, 586720), (512, 568385), (589, 494080), (608, 478640), (620, 469376), (640, 454708), (760, 382912), (772, 376960), (965, 301568), (992, 293360), (1178, 247040), (1216, 239320), (1240, 234688), (1280, 227354), (1520, 191456), (1544, 188480), (1930, 150784), (1984, 146680), (2356, 123520), (2432, 119660), (2480, 117344), (2560, 113677), (2945, 98816), (3040, 95728), (3088, 94240), (3667, 79360), (3860, 75392), (3968, 73340), (4712, 61760), (4864, 59830), (4960, 58672), (5890, 49408), (5983, 48640), (6080, 47864), (6176, 47120), (7334, 39680), (7720, 37696), (7936, 36670), (9424, 30880), (9728, 29915), (9920, 29336), (11780, 24704), (11966, 24320), (12160, 23932), (12352, 23560), (14668, 19840), (15440, 18848), (15872, 18335)]