20185215840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{3739}}^1$

素因数の和:3946

約数の個数: 288

約数和(自身を含む): 72337224960

約数和(自身を除く): 52152009120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 163, 180, 184, 207, 230, 240, 276, 288, 326, 345, 360, 368, 414, 460, 480, 489, 552, 652, 690, 720, 736, 815, 828, 920, 978, 1035, 1104, 1304, 1380, 1440, 1467, 1630, 1656, 1840, 1956, 2070, 2208, 2445, 2608, 2760, 2934, 3260, 3312, 3680, 3739, 3749, 3912, 4140, 4890, 5216, 5520, 5868, 6520, 6624, 7335, 7478, 7498, 7824, 8280, 9780, 11040, 11217, 11247, 11736, 13040, 14670, 14956, 14996, 15648, 16560, 18695, 18745, 19560, 22434, 22494, 23472, 26080, 29340, 29912, 29992, 33120, 33651, 33741, 37390, 37490, 39120, 44868, 44988, 46944, 56085, 56235, 58680, 59824, 59984, 67302, 67482, 74780, 74980, 78240, 85997, 89736, 89976, 112170, 112470, 117360, 119648, 119968, 134604, 134964, 149560, 149960, 168255, 168705, 171994, 179472, 179952, 224340, 224940, 234720, 257991, 269208, 269928, 299120, 299920, 336510, 337410, 343988, 358944, 359904, 429985, 448680, 449880, 515982, 538416, 539856, 598240, 599840, 609457, 673020, 674820, 687976, 773973, 859970, 897360, 899760, 1031964, 1076832, 1079712, 1218914, 1289955, 1346040, 1349640, 1375952, 1547946, 1719940, 1794720, 1799520, 1828371, 2063928, 2437828, 2579910, 2692080, 2699280, 2751904, 3047285, 3095892, 3439880, 3656742, 3869865, 4127856, 4875656, 5159820, 5384160, 5398560, 5485113, 6094570, 6191784, 6879760, 7313484, 7739730, 8255712, 9141855, 9751312, 10319640, 10970226, 12189140, 12383568, 13759520, 14017511, 14626968, 15479460, 18283710, 19502624, 20639280, 21940452, 24378280, 24767136, 27425565, 28035022, 29253936, 30958920, 36567420, 41278560, 42052533, 43880904, 48756560, 54851130, 56070044, 58507872, 61917840, 70087555, 73134840, 84105066, 87761808, 97513120, 109702260, 112140088, 123835680, 126157599, 140175110, 146269680, 168210132, 175523616, 210262665, 219404520, 224280176, 252315198, 280350220, 292539360, 336420264, 420525330, 438809040, 448560352, 504630396, 560700440, 630787995, 672840528, 841050660, 877618080, 1009260792, 1121400880, 1261575990, 1345681056, 1682101320, 2018521584, 2242801760, 2523151980, 3364202640, 4037043168, 5046303960, 6728405280, 10092607920, 20185215840]

約数ペア:

[(1, 20185215840), (2, 10092607920), (3, 6728405280), (4, 5046303960), (5, 4037043168), (6, 3364202640), (8, 2523151980), (9, 2242801760), (10, 2018521584), (12, 1682101320), (15, 1345681056), (16, 1261575990), (18, 1121400880), (20, 1009260792), (23, 877618080), (24, 841050660), (30, 672840528), (32, 630787995), (36, 560700440), (40, 504630396), (45, 448560352), (46, 438809040), (48, 420525330), (60, 336420264), (69, 292539360), (72, 280350220), (80, 252315198), (90, 224280176), (92, 219404520), (96, 210262665), (115, 175523616), (120, 168210132), (138, 146269680), (144, 140175110), (160, 126157599), (163, 123835680), (180, 112140088), (184, 109702260), (207, 97513120), (230, 87761808), (240, 84105066), (276, 73134840), (288, 70087555), (326, 61917840), (345, 58507872), (360, 56070044), (368, 54851130), (414, 48756560), (460, 43880904), (480, 42052533), (489, 41278560), (552, 36567420), (652, 30958920), (690, 29253936), (720, 28035022), (736, 27425565), (815, 24767136), (828, 24378280), (920, 21940452), (978, 20639280), (1035, 19502624), (1104, 18283710), (1304, 15479460), (1380, 14626968), (1440, 14017511), (1467, 13759520), (1630, 12383568), (1656, 12189140), (1840, 10970226), (1956, 10319640), (2070, 9751312), (2208, 9141855), (2445, 8255712), (2608, 7739730), (2760, 7313484), (2934, 6879760), (3260, 6191784), (3312, 6094570), (3680, 5485113), (3739, 5398560), (3749, 5384160), (3912, 5159820), (4140, 4875656), (4890, 4127856), (5216, 3869865), (5520, 3656742), (5868, 3439880), (6520, 3095892), (6624, 3047285), (7335, 2751904), (7478, 2699280), (7498, 2692080), (7824, 2579910), (8280, 2437828), (9780, 2063928), (11040, 1828371), (11217, 1799520), (11247, 1794720), (11736, 1719940), (13040, 1547946), (14670, 1375952), (14956, 1349640), (14996, 1346040), (15648, 1289955), (16560, 1218914), (18695, 1079712), (18745, 1076832), (19560, 1031964), (22434, 899760), (22494, 897360), (23472, 859970), (26080, 773973), (29340, 687976), (29912, 674820), (29992, 673020), (33120, 609457), (33651, 599840), (33741, 598240), (37390, 539856), (37490, 538416), (39120, 515982), (44868, 449880), (44988, 448680), (46944, 429985), (56085, 359904), (56235, 358944), (58680, 343988), (59824, 337410), (59984, 336510), (67302, 299920), (67482, 299120), (74780, 269928), (74980, 269208), (78240, 257991), (85997, 234720), (89736, 224940), (89976, 224340), (112170, 179952), (112470, 179472), (117360, 171994), (119648, 168705), (119968, 168255), (134604, 149960), (134964, 149560)]