20282616480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{38449}}^1$

素因数の和:38631

約数の個数: 192

約数和(自身を含む): 73484409600

約数和(自身を除く): 53201793120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 157, 160, 168, 210, 224, 240, 280, 314, 336, 420, 471, 480, 560, 628, 672, 785, 840, 942, 1099, 1120, 1256, 1570, 1680, 1884, 2198, 2355, 2512, 3140, 3297, 3360, 3768, 4396, 4710, 5024, 5495, 6280, 6594, 7536, 8792, 9420, 10990, 12560, 13188, 15072, 16485, 17584, 18840, 21980, 25120, 26376, 32970, 35168, 37680, 38449, 43960, 52752, 65940, 75360, 76898, 87920, 105504, 115347, 131880, 153796, 175840, 192245, 230694, 263760, 269143, 307592, 384490, 461388, 527520, 538286, 576735, 615184, 768980, 807429, 922776, 1076572, 1153470, 1230368, 1345715, 1537960, 1614858, 1845552, 2153144, 2306940, 2691430, 3075920, 3229716, 3691104, 4037145, 4306288, 4613880, 5382860, 6036493, 6151840, 6459432, 8074290, 8612576, 9227760, 10765720, 12072986, 12918864, 16148580, 18109479, 18455520, 21531440, 24145972, 25837728, 30182465, 32297160, 36218958, 42255451, 43062880, 48291944, 60364930, 64594320, 72437916, 84510902, 90547395, 96583888, 120729860, 126766353, 129188640, 144875832, 169021804, 181094790, 193167776, 211277255, 241459720, 253532706, 289751664, 338043608, 362189580, 422554510, 482919440, 507065412, 579503328, 633831765, 676087216, 724379160, 845109020, 965838880, 1014130824, 1267663530, 1352174432, 1448758320, 1690218040, 2028261648, 2535327060, 2897516640, 3380436080, 4056523296, 5070654120, 6760872160, 10141308240, 20282616480]

約数ペア:

[(1, 20282616480), (2, 10141308240), (3, 6760872160), (4, 5070654120), (5, 4056523296), (6, 3380436080), (7, 2897516640), (8, 2535327060), (10, 2028261648), (12, 1690218040), (14, 1448758320), (15, 1352174432), (16, 1267663530), (20, 1014130824), (21, 965838880), (24, 845109020), (28, 724379160), (30, 676087216), (32, 633831765), (35, 579503328), (40, 507065412), (42, 482919440), (48, 422554510), (56, 362189580), (60, 338043608), (70, 289751664), (80, 253532706), (84, 241459720), (96, 211277255), (105, 193167776), (112, 181094790), (120, 169021804), (140, 144875832), (157, 129188640), (160, 126766353), (168, 120729860), (210, 96583888), (224, 90547395), (240, 84510902), (280, 72437916), (314, 64594320), (336, 60364930), (420, 48291944), (471, 43062880), (480, 42255451), (560, 36218958), (628, 32297160), (672, 30182465), (785, 25837728), (840, 24145972), (942, 21531440), (1099, 18455520), (1120, 18109479), (1256, 16148580), (1570, 12918864), (1680, 12072986), (1884, 10765720), (2198, 9227760), (2355, 8612576), (2512, 8074290), (3140, 6459432), (3297, 6151840), (3360, 6036493), (3768, 5382860), (4396, 4613880), (4710, 4306288), (5024, 4037145), (5495, 3691104), (6280, 3229716), (6594, 3075920), (7536, 2691430), (8792, 2306940), (9420, 2153144), (10990, 1845552), (12560, 1614858), (13188, 1537960), (15072, 1345715), (16485, 1230368), (17584, 1153470), (18840, 1076572), (21980, 922776), (25120, 807429), (26376, 768980), (32970, 615184), (35168, 576735), (37680, 538286), (38449, 527520), (43960, 461388), (52752, 384490), (65940, 307592), (75360, 269143), (76898, 263760), (87920, 230694), (105504, 192245), (115347, 175840), (131880, 153796)]