231056640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 216

約数和(自身を含む): 826495488

約数和(自身を除く): 595438848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 647, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1294, 1395, 1440, 1488, 1860, 1920, 1941, 1984, 2232, 2304, 2480, 2588, 2790, 2880, 2976, 3235, 3720, 3840, 3882, 3968, 4464, 4960, 5176, 5580, 5760, 5823, 5952, 6470, 7440, 7764, 7936, 8928, 9705, 9920, 10352, 11160, 11520, 11646, 11904, 12940, 14880, 15528, 17856, 19410, 19840, 20057, 20704, 22320, 23292, 23808, 25880, 29115, 29760, 31056, 35712, 38820, 39680, 40114, 41408, 44640, 46584, 51760, 58230, 59520, 60171, 62112, 71424, 77640, 80228, 82816, 89280, 93168, 100285, 103520, 116460, 119040, 120342, 124224, 155280, 160456, 165632, 178560, 180513, 186336, 200570, 207040, 232920, 240684, 248448, 300855, 310560, 320912, 357120, 361026, 372672, 401140, 414080, 465840, 481368, 496896, 601710, 621120, 641824, 722052, 745344, 802280, 828160, 902565, 931680, 962736, 1203420, 1242240, 1283648, 1444104, 1490688, 1604560, 1805130, 1863360, 1925472, 2406840, 2484480, 2567296, 2888208, 3209120, 3610260, 3726720, 3850944, 4813680, 5134592, 5776416, 6418240, 7220520, 7453440, 7701888, 9627360, 11552832, 12836480, 14441040, 15403776, 19254720, 23105664, 25672960, 28882080, 38509440, 46211328, 57764160, 77018880, 115528320, 231056640]

約数ペア:

[(1, 231056640), (2, 115528320), (3, 77018880), (4, 57764160), (5, 46211328), (6, 38509440), (8, 28882080), (9, 25672960), (10, 23105664), (12, 19254720), (15, 15403776), (16, 14441040), (18, 12836480), (20, 11552832), (24, 9627360), (30, 7701888), (31, 7453440), (32, 7220520), (36, 6418240), (40, 5776416), (45, 5134592), (48, 4813680), (60, 3850944), (62, 3726720), (64, 3610260), (72, 3209120), (80, 2888208), (90, 2567296), (93, 2484480), (96, 2406840), (120, 1925472), (124, 1863360), (128, 1805130), (144, 1604560), (155, 1490688), (160, 1444104), (180, 1283648), (186, 1242240), (192, 1203420), (240, 962736), (248, 931680), (256, 902565), (279, 828160), (288, 802280), (310, 745344), (320, 722052), (360, 641824), (372, 621120), (384, 601710), (465, 496896), (480, 481368), (496, 465840), (558, 414080), (576, 401140), (620, 372672), (640, 361026), (647, 357120), (720, 320912), (744, 310560), (768, 300855), (930, 248448), (960, 240684), (992, 232920), (1116, 207040), (1152, 200570), (1240, 186336), (1280, 180513), (1294, 178560), (1395, 165632), (1440, 160456), (1488, 155280), (1860, 124224), (1920, 120342), (1941, 119040), (1984, 116460), (2232, 103520), (2304, 100285), (2480, 93168), (2588, 89280), (2790, 82816), (2880, 80228), (2976, 77640), (3235, 71424), (3720, 62112), (3840, 60171), (3882, 59520), (3968, 58230), (4464, 51760), (4960, 46584), (5176, 44640), (5580, 41408), (5760, 40114), (5823, 39680), (5952, 38820), (6470, 35712), (7440, 31056), (7764, 29760), (7936, 29115), (8928, 25880), (9705, 23808), (9920, 23292), (10352, 22320), (11160, 20704), (11520, 20057), (11646, 19840), (11904, 19410), (12940, 17856), (14880, 15528)]