20993608320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1487

約数の個数: 256

約数和(自身を含む): 68434329600

約数和(自身を除く): 47440721280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 103, 120, 128, 160, 166, 192, 206, 240, 249, 309, 320, 332, 384, 412, 415, 480, 498, 515, 618, 640, 664, 824, 830, 960, 996, 1030, 1236, 1245, 1279, 1328, 1545, 1648, 1660, 1920, 1992, 2060, 2472, 2490, 2558, 2656, 3090, 3296, 3320, 3837, 3984, 4120, 4944, 4980, 5116, 5312, 6180, 6395, 6592, 6640, 7674, 7968, 8240, 8549, 9888, 9960, 10232, 10624, 12360, 12790, 13184, 13280, 15348, 15936, 16480, 17098, 19185, 19776, 19920, 20464, 24720, 25580, 25647, 26560, 30696, 31872, 32960, 34196, 38370, 39552, 39840, 40928, 42745, 49440, 51160, 51294, 53120, 61392, 65920, 68392, 76740, 79680, 81856, 85490, 98880, 102320, 102588, 106157, 122784, 128235, 131737, 136784, 153480, 159360, 163712, 170980, 197760, 204640, 205176, 212314, 245568, 256470, 263474, 273568, 306960, 318471, 341960, 395211, 409280, 410352, 424628, 491136, 512940, 526948, 530785, 547136, 613920, 636942, 658685, 683920, 790422, 818560, 820704, 849256, 1025880, 1053896, 1061570, 1094272, 1227840, 1273884, 1317370, 1367840, 1580844, 1592355, 1641408, 1698512, 1976055, 2051760, 2107792, 2123140, 2455680, 2547768, 2634740, 2735680, 3161688, 3184710, 3282816, 3397024, 3952110, 4103520, 4215584, 4246280, 5095536, 5269480, 5471360, 6323376, 6369420, 6794048, 7904220, 8207040, 8431168, 8492560, 10191072, 10538960, 10934171, 12646752, 12738840, 13588096, 15808440, 16414080, 16862336, 16985120, 20382144, 21077920, 21868342, 25293504, 25477680, 31616880, 32802513, 33970240, 40764288, 42155840, 43736684, 50587008, 50955360, 54670855, 63233760, 65605026, 67940480, 84311680, 87473368, 101910720, 109341710, 126467520, 131210052, 164012565, 174946736, 203821440, 218683420, 252935040, 262420104, 328025130, 349893472, 437366840, 524840208, 656050260, 699786944, 874733680, 1049680416, 1312100520, 1399573888, 1749467360, 2099360832, 2624201040, 3498934720, 4198721664, 5248402080, 6997869440, 10496804160, 20993608320]

約数ペア:

[(1, 20993608320), (2, 10496804160), (3, 6997869440), (4, 5248402080), (5, 4198721664), (6, 3498934720), (8, 2624201040), (10, 2099360832), (12, 1749467360), (15, 1399573888), (16, 1312100520), (20, 1049680416), (24, 874733680), (30, 699786944), (32, 656050260), (40, 524840208), (48, 437366840), (60, 349893472), (64, 328025130), (80, 262420104), (83, 252935040), (96, 218683420), (103, 203821440), (120, 174946736), (128, 164012565), (160, 131210052), (166, 126467520), (192, 109341710), (206, 101910720), (240, 87473368), (249, 84311680), (309, 67940480), (320, 65605026), (332, 63233760), (384, 54670855), (412, 50955360), (415, 50587008), (480, 43736684), (498, 42155840), (515, 40764288), (618, 33970240), (640, 32802513), (664, 31616880), (824, 25477680), (830, 25293504), (960, 21868342), (996, 21077920), (1030, 20382144), (1236, 16985120), (1245, 16862336), (1279, 16414080), (1328, 15808440), (1545, 13588096), (1648, 12738840), (1660, 12646752), (1920, 10934171), (1992, 10538960), (2060, 10191072), (2472, 8492560), (2490, 8431168), (2558, 8207040), (2656, 7904220), (3090, 6794048), (3296, 6369420), (3320, 6323376), (3837, 5471360), (3984, 5269480), (4120, 5095536), (4944, 4246280), (4980, 4215584), (5116, 4103520), (5312, 3952110), (6180, 3397024), (6395, 3282816), (6592, 3184710), (6640, 3161688), (7674, 2735680), (7968, 2634740), (8240, 2547768), (8549, 2455680), (9888, 2123140), (9960, 2107792), (10232, 2051760), (10624, 1976055), (12360, 1698512), (12790, 1641408), (13184, 1592355), (13280, 1580844), (15348, 1367840), (15936, 1317370), (16480, 1273884), (17098, 1227840), (19185, 1094272), (19776, 1061570), (19920, 1053896), (20464, 1025880), (24720, 849256), (25580, 820704), (25647, 818560), (26560, 790422), (30696, 683920), (31872, 658685), (32960, 636942), (34196, 613920), (38370, 547136), (39552, 530785), (39840, 526948), (40928, 512940), (42745, 491136), (49440, 424628), (51160, 410352), (51294, 409280), (53120, 395211), (61392, 341960), (65920, 318471), (68392, 306960), (76740, 273568), (79680, 263474), (81856, 256470), (85490, 245568), (98880, 212314), (102320, 205176), (102588, 204640), (106157, 197760), (122784, 170980), (128235, 163712), (131737, 159360), (136784, 153480)]