145506560

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 380674560

約数和(自身を除く): 235168000

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, 589, 608, 620, 640, 760, 772, 965, 992, 1178, 1216, 1240, 1280, 1520, 1544, 1930, 1984, 2356, 2432, 2480, 2945, 3040, 3088, 3667, 3860, 3968, 4712, 4864, 4960, 5890, 5983, 6080, 6176, 7334, 7720, 7936, 9424, 9920, 11780, 11966, 12160, 12352, 14668, 15440, 18335, 18848, 19840, 23560, 23932, 24320, 24704, 29336, 29915, 30880, 36670, 37696, 39680, 47120, 47864, 49408, 58672, 59830, 61760, 73340, 75392, 94240, 95728, 113677, 117344, 119660, 123520, 146680, 150784, 188480, 191456, 227354, 234688, 239320, 247040, 293360, 376960, 382912, 454708, 469376, 478640, 568385, 586720, 753920, 765824, 909416, 938752, 957280, 1136770, 1173440, 1531648, 1818832, 1914560, 2273540, 2346880, 3637664, 3829120, 4547080, 4693760, 7275328, 7658240, 9094160, 14550656, 18188320, 29101312, 36376640, 72753280, 145506560]

約数ペア:

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