123405120

素因数分解:

$2^6\times 3^6\times 5^1\times {\mathrm{23}}^2$

素因数の和:81

約数の個数: 294

約数和(自身を含む): 460574898

約数和(自身を除く): 337169778

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 243, 270, 276, 288, 320, 324, 345, 360, 368, 405, 414, 432, 460, 480, 486, 529, 540, 552, 576, 621, 648, 690, 720, 729, 736, 810, 828, 864, 920, 960, 972, 1035, 1058, 1080, 1104, 1215, 1242, 1296, 1380, 1440, 1458, 1472, 1587, 1620, 1656, 1728, 1840, 1863, 1944, 2070, 2116, 2160, 2208, 2430, 2484, 2592, 2645, 2760, 2880, 2916, 3105, 3174, 3240, 3312, 3645, 3680, 3726, 3888, 4140, 4232, 4320, 4416, 4761, 4860, 4968, 5184, 5290, 5520, 5589, 5832, 6210, 6348, 6480, 6624, 7290, 7360, 7452, 7776, 7935, 8280, 8464, 8640, 9315, 9522, 9720, 9936, 10580, 11040, 11178, 11664, 12420, 12696, 12960, 13248, 14283, 14580, 14904, 15552, 15870, 16560, 16767, 16928, 18630, 19044, 19440, 19872, 21160, 22080, 22356, 23328, 23805, 24840, 25392, 25920, 27945, 28566, 29160, 29808, 31740, 33120, 33534, 33856, 37260, 38088, 38880, 39744, 42320, 42849, 44712, 46656, 47610, 49680, 50784, 55890, 57132, 58320, 59616, 63480, 66240, 67068, 71415, 74520, 76176, 77760, 83835, 84640, 85698, 89424, 95220, 99360, 101568, 111780, 114264, 116640, 119232, 126960, 128547, 134136, 142830, 149040, 152352, 167670, 169280, 171396, 178848, 190440, 198720, 214245, 223560, 228528, 233280, 253920, 257094, 268272, 285660, 298080, 304704, 335340, 342792, 357696, 380880, 385641, 428490, 447120, 457056, 507840, 514188, 536544, 571320, 596160, 642735, 670680, 685584, 761760, 771282, 856980, 894240, 914112, 1028376, 1073088, 1142640, 1285470, 1341360, 1371168, 1523520, 1542564, 1713960, 1788480, 1928205, 2056752, 2285280, 2570940, 2682720, 2742336, 3085128, 3427920, 3856410, 4113504, 4570560, 5141880, 5365440, 6170256, 6855840, 7712820, 8227008, 10283760, 12340512, 13711680, 15425640, 20567520, 24681024, 30851280, 41135040, 61702560, 123405120]

約数ペア:

[(1, 123405120), (2, 61702560), (3, 41135040), (4, 30851280), (5, 24681024), (6, 20567520), (8, 15425640), (9, 13711680), (10, 12340512), (12, 10283760), (15, 8227008), (16, 7712820), (18, 6855840), (20, 6170256), (23, 5365440), (24, 5141880), (27, 4570560), (30, 4113504), (32, 3856410), (36, 3427920), (40, 3085128), (45, 2742336), (46, 2682720), (48, 2570940), (54, 2285280), (60, 2056752), (64, 1928205), (69, 1788480), (72, 1713960), (80, 1542564), (81, 1523520), (90, 1371168), (92, 1341360), (96, 1285470), (108, 1142640), (115, 1073088), (120, 1028376), (135, 914112), (138, 894240), (144, 856980), (160, 771282), (162, 761760), (180, 685584), (184, 670680), (192, 642735), (207, 596160), (216, 571320), (230, 536544), (240, 514188), (243, 507840), (270, 457056), (276, 447120), (288, 428490), (320, 385641), (324, 380880), (345, 357696), (360, 342792), (368, 335340), (405, 304704), (414, 298080), (432, 285660), (460, 268272), (480, 257094), (486, 253920), (529, 233280), (540, 228528), (552, 223560), (576, 214245), (621, 198720), (648, 190440), (690, 178848), (720, 171396), (729, 169280), (736, 167670), (810, 152352), (828, 149040), (864, 142830), (920, 134136), (960, 128547), (972, 126960), (1035, 119232), (1058, 116640), (1080, 114264), (1104, 111780), (1215, 101568), (1242, 99360), (1296, 95220), (1380, 89424), (1440, 85698), (1458, 84640), (1472, 83835), (1587, 77760), (1620, 76176), (1656, 74520), (1728, 71415), (1840, 67068), (1863, 66240), (1944, 63480), (2070, 59616), (2116, 58320), (2160, 57132), (2208, 55890), (2430, 50784), (2484, 49680), (2592, 47610), (2645, 46656), (2760, 44712), (2880, 42849), (2916, 42320), (3105, 39744), (3174, 38880), (3240, 38088), (3312, 37260), (3645, 33856), (3680, 33534), (3726, 33120), (3888, 31740), (4140, 29808), (4232, 29160), (4320, 28566), (4416, 27945), (4761, 25920), (4860, 25392), (4968, 24840), (5184, 23805), (5290, 23328), (5520, 22356), (5589, 22080), (5832, 21160), (6210, 19872), (6348, 19440), (6480, 19044), (6624, 18630), (7290, 16928), (7360, 16767), (7452, 16560), (7776, 15870), (7935, 15552), (8280, 14904), (8464, 14580), (8640, 14283), (9315, 13248), (9522, 12960), (9720, 12696), (9936, 12420), (10580, 11664), (11040, 11178)]