12320640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 256

約数和(自身を含む): 47001600

約数和(自身を除く): 34680960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 31, 32, 36, 40, 45, 46, 48, 54, 60, 62, 64, 69, 72, 80, 90, 92, 93, 96, 108, 115, 120, 124, 128, 135, 138, 144, 155, 160, 180, 184, 186, 192, 207, 216, 230, 240, 248, 270, 276, 279, 288, 310, 320, 345, 360, 368, 372, 384, 414, 432, 460, 465, 480, 496, 540, 552, 558, 576, 620, 621, 640, 690, 713, 720, 736, 744, 828, 837, 864, 920, 930, 960, 992, 1035, 1080, 1104, 1116, 1152, 1240, 1242, 1380, 1395, 1426, 1440, 1472, 1488, 1656, 1674, 1728, 1840, 1860, 1920, 1984, 2070, 2139, 2160, 2208, 2232, 2480, 2484, 2760, 2790, 2852, 2880, 2944, 2976, 3105, 3312, 3348, 3456, 3565, 3680, 3720, 3968, 4140, 4185, 4278, 4320, 4416, 4464, 4960, 4968, 5520, 5580, 5704, 5760, 5952, 6210, 6417, 6624, 6696, 7130, 7360, 7440, 8280, 8370, 8556, 8640, 8832, 8928, 9920, 9936, 10695, 11040, 11160, 11408, 11904, 12420, 12834, 13248, 13392, 14260, 14720, 14880, 16560, 16740, 17112, 17280, 17856, 19251, 19840, 19872, 21390, 22080, 22320, 22816, 24840, 25668, 26496, 26784, 28520, 29760, 32085, 33120, 33480, 34224, 35712, 38502, 39744, 42780, 44160, 44640, 45632, 49680, 51336, 53568, 57040, 59520, 64170, 66240, 66960, 68448, 77004, 79488, 85560, 89280, 91264, 96255, 99360, 102672, 107136, 114080, 128340, 132480, 133920, 136896, 154008, 171120, 178560, 192510, 198720, 205344, 228160, 256680, 267840, 273792, 308016, 342240, 385020, 397440, 410688, 456320, 513360, 535680, 616032, 684480, 770040, 821376, 1026720, 1232064, 1368960, 1540080, 2053440, 2464128, 3080160, 4106880, 6160320, 12320640]

約数ペア:

[(1, 12320640), (2, 6160320), (3, 4106880), (4, 3080160), (5, 2464128), (6, 2053440), (8, 1540080), (9, 1368960), (10, 1232064), (12, 1026720), (15, 821376), (16, 770040), (18, 684480), (20, 616032), (23, 535680), (24, 513360), (27, 456320), (30, 410688), (31, 397440), (32, 385020), (36, 342240), (40, 308016), (45, 273792), (46, 267840), (48, 256680), (54, 228160), (60, 205344), (62, 198720), (64, 192510), (69, 178560), (72, 171120), (80, 154008), (90, 136896), (92, 133920), (93, 132480), (96, 128340), (108, 114080), (115, 107136), (120, 102672), (124, 99360), (128, 96255), (135, 91264), (138, 89280), (144, 85560), (155, 79488), (160, 77004), (180, 68448), (184, 66960), (186, 66240), (192, 64170), (207, 59520), (216, 57040), (230, 53568), (240, 51336), (248, 49680), (270, 45632), (276, 44640), (279, 44160), (288, 42780), (310, 39744), (320, 38502), (345, 35712), (360, 34224), (368, 33480), (372, 33120), (384, 32085), (414, 29760), (432, 28520), (460, 26784), (465, 26496), (480, 25668), (496, 24840), (540, 22816), (552, 22320), (558, 22080), (576, 21390), (620, 19872), (621, 19840), (640, 19251), (690, 17856), (713, 17280), (720, 17112), (736, 16740), (744, 16560), (828, 14880), (837, 14720), (864, 14260), (920, 13392), (930, 13248), (960, 12834), (992, 12420), (1035, 11904), (1080, 11408), (1104, 11160), (1116, 11040), (1152, 10695), (1240, 9936), (1242, 9920), (1380, 8928), (1395, 8832), (1426, 8640), (1440, 8556), (1472, 8370), (1488, 8280), (1656, 7440), (1674, 7360), (1728, 7130), (1840, 6696), (1860, 6624), (1920, 6417), (1984, 6210), (2070, 5952), (2139, 5760), (2160, 5704), (2208, 5580), (2232, 5520), (2480, 4968), (2484, 4960), (2760, 4464), (2790, 4416), (2852, 4320), (2880, 4278), (2944, 4185), (2976, 4140), (3105, 3968), (3312, 3720), (3348, 3680), (3456, 3565)]