987754240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 216

約数和(自身を含む): 2703549744

約数和(自身を除く): 1715795504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 73, 80, 88, 110, 124, 128, 146, 155, 160, 176, 220, 248, 256, 292, 310, 320, 341, 352, 365, 440, 496, 584, 620, 640, 682, 704, 730, 803, 880, 961, 992, 1168, 1240, 1280, 1364, 1408, 1460, 1606, 1705, 1760, 1922, 1984, 2263, 2336, 2480, 2728, 2816, 2920, 3212, 3410, 3520, 3844, 3968, 4015, 4526, 4672, 4805, 4960, 5456, 5840, 6424, 6820, 7040, 7688, 7936, 8030, 9052, 9344, 9610, 9920, 10571, 10912, 11315, 11680, 12848, 13640, 14080, 15376, 16060, 18104, 18688, 19220, 19840, 21142, 21824, 22630, 23360, 24893, 25696, 27280, 30752, 32120, 36208, 38440, 39680, 42284, 43648, 45260, 46720, 49786, 51392, 52855, 54560, 61504, 64240, 70153, 72416, 76880, 84568, 87296, 90520, 93440, 99572, 102784, 105710, 109120, 123008, 124465, 128480, 140306, 144832, 153760, 169136, 181040, 199144, 205568, 211420, 218240, 246016, 248930, 256960, 280612, 289664, 307520, 338272, 350765, 362080, 398288, 422840, 436480, 497860, 513920, 561224, 579328, 615040, 676544, 701530, 724160, 771683, 796576, 845680, 995720, 1027840, 1122448, 1230080, 1353088, 1403060, 1448320, 1543366, 1593152, 1691360, 1991440, 2244896, 2706176, 2806120, 2896640, 3086732, 3186304, 3382720, 3858415, 3982880, 4489792, 5612240, 6173464, 6372608, 6765440, 7716830, 7965760, 8979584, 11224480, 12346928, 13530880, 15433660, 15931520, 17959168, 22448960, 24693856, 30867320, 31863040, 44897920, 49387712, 61734640, 89795840, 98775424, 123469280, 197550848, 246938560, 493877120, 987754240]

約数ペア:

[(1, 987754240), (2, 493877120), (4, 246938560), (5, 197550848), (8, 123469280), (10, 98775424), (11, 89795840), (16, 61734640), (20, 49387712), (22, 44897920), (31, 31863040), (32, 30867320), (40, 24693856), (44, 22448960), (55, 17959168), (62, 15931520), (64, 15433660), (73, 13530880), (80, 12346928), (88, 11224480), (110, 8979584), (124, 7965760), (128, 7716830), (146, 6765440), (155, 6372608), (160, 6173464), (176, 5612240), (220, 4489792), (248, 3982880), (256, 3858415), (292, 3382720), (310, 3186304), (320, 3086732), (341, 2896640), (352, 2806120), (365, 2706176), (440, 2244896), (496, 1991440), (584, 1691360), (620, 1593152), (640, 1543366), (682, 1448320), (704, 1403060), (730, 1353088), (803, 1230080), (880, 1122448), (961, 1027840), (992, 995720), (1168, 845680), (1240, 796576), (1280, 771683), (1364, 724160), (1408, 701530), (1460, 676544), (1606, 615040), (1705, 579328), (1760, 561224), (1922, 513920), (1984, 497860), (2263, 436480), (2336, 422840), (2480, 398288), (2728, 362080), (2816, 350765), (2920, 338272), (3212, 307520), (3410, 289664), (3520, 280612), (3844, 256960), (3968, 248930), (4015, 246016), (4526, 218240), (4672, 211420), (4805, 205568), (4960, 199144), (5456, 181040), (5840, 169136), (6424, 153760), (6820, 144832), (7040, 140306), (7688, 128480), (7936, 124465), (8030, 123008), (9052, 109120), (9344, 105710), (9610, 102784), (9920, 99572), (10571, 93440), (10912, 90520), (11315, 87296), (11680, 84568), (12848, 76880), (13640, 72416), (14080, 70153), (15376, 64240), (16060, 61504), (18104, 54560), (18688, 52855), (19220, 51392), (19840, 49786), (21142, 46720), (21824, 45260), (22630, 43648), (23360, 42284), (24893, 39680), (25696, 38440), (27280, 36208), (30752, 32120)]