21759840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 81230688

約数和(自身を除く): 59470848

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, 69, 72, 73, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 146, 160, 162, 180, 184, 207, 216, 219, 230, 240, 270, 276, 288, 292, 324, 345, 360, 365, 368, 405, 414, 432, 438, 460, 480, 540, 552, 584, 621, 648, 657, 690, 720, 730, 736, 810, 828, 864, 876, 920, 1035, 1080, 1095, 1104, 1168, 1242, 1296, 1314, 1380, 1440, 1460, 1620, 1656, 1679, 1752, 1840, 1863, 1971, 2070, 2160, 2190, 2208, 2336, 2484, 2592, 2628, 2760, 2920, 3105, 3240, 3285, 3312, 3358, 3504, 3680, 3726, 3942, 4140, 4320, 4380, 4968, 5037, 5256, 5520, 5840, 5913, 6210, 6480, 6570, 6624, 6716, 7008, 7452, 7884, 8280, 8395, 8760, 9315, 9855, 9936, 10074, 10512, 11040, 11680, 11826, 12420, 12960, 13140, 13432, 14904, 15111, 15768, 16560, 16790, 17520, 18630, 19710, 19872, 20148, 21024, 23652, 24840, 25185, 26280, 26864, 29565, 29808, 30222, 31536, 33120, 33580, 35040, 37260, 39420, 40296, 45333, 47304, 49680, 50370, 52560, 53728, 59130, 59616, 60444, 63072, 67160, 74520, 75555, 78840, 80592, 90666, 94608, 99360, 100740, 105120, 118260, 120888, 134320, 135999, 149040, 151110, 157680, 161184, 181332, 189216, 201480, 226665, 236520, 241776, 268640, 271998, 298080, 302220, 315360, 362664, 402960, 453330, 473040, 483552, 543996, 604440, 679995, 725328, 805920, 906660, 946080, 1087992, 1208880, 1359990, 1450656, 1813320, 2175984, 2417760, 2719980, 3626640, 4351968, 5439960, 7253280, 10879920, 21759840]

約数ペア:

[(1, 21759840), (2, 10879920), (3, 7253280), (4, 5439960), (5, 4351968), (6, 3626640), (8, 2719980), (9, 2417760), (10, 2175984), (12, 1813320), (15, 1450656), (16, 1359990), (18, 1208880), (20, 1087992), (23, 946080), (24, 906660), (27, 805920), (30, 725328), (32, 679995), (36, 604440), (40, 543996), (45, 483552), (46, 473040), (48, 453330), (54, 402960), (60, 362664), (69, 315360), (72, 302220), (73, 298080), (80, 271998), (81, 268640), (90, 241776), (92, 236520), (96, 226665), (108, 201480), (115, 189216), (120, 181332), (135, 161184), (138, 157680), (144, 151110), (146, 149040), (160, 135999), (162, 134320), (180, 120888), (184, 118260), (207, 105120), (216, 100740), (219, 99360), (230, 94608), (240, 90666), (270, 80592), (276, 78840), (288, 75555), (292, 74520), (324, 67160), (345, 63072), (360, 60444), (365, 59616), (368, 59130), (405, 53728), (414, 52560), (432, 50370), (438, 49680), (460, 47304), (480, 45333), (540, 40296), (552, 39420), (584, 37260), (621, 35040), (648, 33580), (657, 33120), (690, 31536), (720, 30222), (730, 29808), (736, 29565), (810, 26864), (828, 26280), (864, 25185), (876, 24840), (920, 23652), (1035, 21024), (1080, 20148), (1095, 19872), (1104, 19710), (1168, 18630), (1242, 17520), (1296, 16790), (1314, 16560), (1380, 15768), (1440, 15111), (1460, 14904), (1620, 13432), (1656, 13140), (1679, 12960), (1752, 12420), (1840, 11826), (1863, 11680), (1971, 11040), (2070, 10512), (2160, 10074), (2190, 9936), (2208, 9855), (2336, 9315), (2484, 8760), (2592, 8395), (2628, 8280), (2760, 7884), (2920, 7452), (3105, 7008), (3240, 6716), (3285, 6624), (3312, 6570), (3358, 6480), (3504, 6210), (3680, 5913), (3726, 5840), (3942, 5520), (4140, 5256), (4320, 5037), (4380, 4968)]