16990560

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 66044160

約数和(自身を除く): 49053600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 27, 30, 32, 36, 38, 40, 45, 46, 48, 54, 57, 60, 69, 72, 76, 80, 81, 90, 92, 95, 96, 108, 114, 115, 120, 135, 138, 144, 152, 160, 162, 171, 180, 184, 190, 207, 216, 228, 230, 240, 243, 270, 276, 285, 288, 304, 324, 342, 345, 360, 368, 380, 405, 414, 432, 437, 456, 460, 480, 486, 513, 540, 552, 570, 608, 621, 648, 684, 690, 720, 736, 760, 810, 828, 855, 864, 874, 912, 920, 972, 1026, 1035, 1080, 1104, 1140, 1215, 1242, 1296, 1311, 1368, 1380, 1440, 1520, 1539, 1620, 1656, 1710, 1748, 1824, 1840, 1863, 1944, 2052, 2070, 2160, 2185, 2208, 2280, 2430, 2484, 2565, 2592, 2622, 2736, 2760, 3040, 3078, 3105, 3240, 3312, 3420, 3496, 3680, 3726, 3888, 3933, 4104, 4140, 4320, 4370, 4560, 4617, 4860, 4968, 5130, 5244, 5472, 5520, 5589, 6156, 6210, 6480, 6555, 6624, 6840, 6992, 7452, 7695, 7776, 7866, 8208, 8280, 8740, 9120, 9234, 9315, 9720, 9936, 10260, 10488, 11040, 11178, 11799, 12312, 12420, 12960, 13110, 13680, 13984, 14904, 15390, 15732, 16416, 16560, 17480, 18468, 18630, 19440, 19665, 19872, 20520, 20976, 22356, 23085, 23598, 24624, 24840, 26220, 27360, 27945, 29808, 30780, 31464, 33120, 34960, 35397, 36936, 37260, 38880, 39330, 41040, 41952, 44712, 46170, 47196, 49248, 49680, 52440, 55890, 58995, 59616, 61560, 62928, 69920, 70794, 73872, 74520, 78660, 82080, 89424, 92340, 94392, 99360, 104880, 106191, 111780, 117990, 123120, 125856, 141588, 147744, 149040, 157320, 176985, 178848, 184680, 188784, 209760, 212382, 223560, 235980, 246240, 283176, 298080, 314640, 353970, 369360, 377568, 424764, 447120, 471960, 530955, 566352, 629280, 707940, 738720, 849528, 894240, 943920, 1061910, 1132704, 1415880, 1699056, 1887840, 2123820, 2831760, 3398112, 4247640, 5663520, 8495280, 16990560]

約数ペア:

[(1, 16990560), (2, 8495280), (3, 5663520), (4, 4247640), (5, 3398112), (6, 2831760), (8, 2123820), (9, 1887840), (10, 1699056), (12, 1415880), (15, 1132704), (16, 1061910), (18, 943920), (19, 894240), (20, 849528), (23, 738720), (24, 707940), (27, 629280), (30, 566352), (32, 530955), (36, 471960), (38, 447120), (40, 424764), (45, 377568), (46, 369360), (48, 353970), (54, 314640), (57, 298080), (60, 283176), (69, 246240), (72, 235980), (76, 223560), (80, 212382), (81, 209760), (90, 188784), (92, 184680), (95, 178848), (96, 176985), (108, 157320), (114, 149040), (115, 147744), (120, 141588), (135, 125856), (138, 123120), (144, 117990), (152, 111780), (160, 106191), (162, 104880), (171, 99360), (180, 94392), (184, 92340), (190, 89424), (207, 82080), (216, 78660), (228, 74520), (230, 73872), (240, 70794), (243, 69920), (270, 62928), (276, 61560), (285, 59616), (288, 58995), (304, 55890), (324, 52440), (342, 49680), (345, 49248), (360, 47196), (368, 46170), (380, 44712), (405, 41952), (414, 41040), (432, 39330), (437, 38880), (456, 37260), (460, 36936), (480, 35397), (486, 34960), (513, 33120), (540, 31464), (552, 30780), (570, 29808), (608, 27945), (621, 27360), (648, 26220), (684, 24840), (690, 24624), (720, 23598), (736, 23085), (760, 22356), (810, 20976), (828, 20520), (855, 19872), (864, 19665), (874, 19440), (912, 18630), (920, 18468), (972, 17480), (1026, 16560), (1035, 16416), (1080, 15732), (1104, 15390), (1140, 14904), (1215, 13984), (1242, 13680), (1296, 13110), (1311, 12960), (1368, 12420), (1380, 12312), (1440, 11799), (1520, 11178), (1539, 11040), (1620, 10488), (1656, 10260), (1710, 9936), (1748, 9720), (1824, 9315), (1840, 9234), (1863, 9120), (1944, 8740), (2052, 8280), (2070, 8208), (2160, 7866), (2185, 7776), (2208, 7695), (2280, 7452), (2430, 6992), (2484, 6840), (2565, 6624), (2592, 6555), (2622, 6480), (2736, 6210), (2760, 6156), (3040, 5589), (3078, 5520), (3105, 5472), (3240, 5244), (3312, 5130), (3420, 4968), (3496, 4860), (3680, 4617), (3726, 4560), (3888, 4370), (3933, 4320), (4104, 4140)]