281680920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 947082240

約数和(自身を除く): 665401320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 101, 120, 122, 127, 180, 183, 202, 244, 254, 303, 305, 360, 366, 381, 404, 488, 505, 508, 549, 606, 610, 635, 732, 762, 808, 909, 915, 1010, 1016, 1098, 1143, 1212, 1220, 1270, 1464, 1515, 1524, 1818, 1830, 1905, 2020, 2196, 2286, 2424, 2440, 2540, 2745, 3030, 3048, 3636, 3660, 3810, 4040, 4392, 4545, 4572, 5080, 5490, 5715, 6060, 6161, 7272, 7320, 7620, 7747, 9090, 9144, 10980, 11430, 12120, 12322, 12827, 15240, 15494, 18180, 18483, 21960, 22860, 23241, 24644, 25654, 30805, 30988, 36360, 36966, 38481, 38735, 45720, 46482, 49288, 51308, 55449, 61610, 61976, 64135, 69723, 73932, 76962, 77470, 92415, 92964, 102616, 110898, 115443, 116205, 123220, 128270, 139446, 147864, 153924, 154940, 184830, 185928, 192405, 221796, 230886, 232410, 246440, 256540, 277245, 278892, 307848, 309880, 348615, 369660, 384810, 443592, 461772, 464820, 513080, 554490, 557784, 577215, 697230, 739320, 769620, 782447, 923544, 929640, 1108980, 1154430, 1394460, 1539240, 1564894, 2217960, 2308860, 2347341, 2788920, 3129788, 3912235, 4617720, 4694682, 6259576, 7042023, 7824470, 9389364, 11736705, 14084046, 15648940, 18778728, 23473410, 28168092, 31297880, 35210115, 46946820, 56336184, 70420230, 93893640, 140840460, 281680920]

約数ペア:

[(1, 281680920), (2, 140840460), (3, 93893640), (4, 70420230), (5, 56336184), (6, 46946820), (8, 35210115), (9, 31297880), (10, 28168092), (12, 23473410), (15, 18778728), (18, 15648940), (20, 14084046), (24, 11736705), (30, 9389364), (36, 7824470), (40, 7042023), (45, 6259576), (60, 4694682), (61, 4617720), (72, 3912235), (90, 3129788), (101, 2788920), (120, 2347341), (122, 2308860), (127, 2217960), (180, 1564894), (183, 1539240), (202, 1394460), (244, 1154430), (254, 1108980), (303, 929640), (305, 923544), (360, 782447), (366, 769620), (381, 739320), (404, 697230), (488, 577215), (505, 557784), (508, 554490), (549, 513080), (606, 464820), (610, 461772), (635, 443592), (732, 384810), (762, 369660), (808, 348615), (909, 309880), (915, 307848), (1010, 278892), (1016, 277245), (1098, 256540), (1143, 246440), (1212, 232410), (1220, 230886), (1270, 221796), (1464, 192405), (1515, 185928), (1524, 184830), (1818, 154940), (1830, 153924), (1905, 147864), (2020, 139446), (2196, 128270), (2286, 123220), (2424, 116205), (2440, 115443), (2540, 110898), (2745, 102616), (3030, 92964), (3048, 92415), (3636, 77470), (3660, 76962), (3810, 73932), (4040, 69723), (4392, 64135), (4545, 61976), (4572, 61610), (5080, 55449), (5490, 51308), (5715, 49288), (6060, 46482), (6161, 45720), (7272, 38735), (7320, 38481), (7620, 36966), (7747, 36360), (9090, 30988), (9144, 30805), (10980, 25654), (11430, 24644), (12120, 23241), (12322, 22860), (12827, 21960), (15240, 18483), (15494, 18180)]