20128756480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:575

約数の個数: 288

約数和(自身を含む): 56968732800

約数和(自身を除く): 36839976320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 157, 160, 164, 205, 224, 256, 280, 287, 314, 320, 328, 349, 410, 448, 560, 574, 628, 640, 656, 698, 785, 820, 896, 1099, 1120, 1148, 1256, 1280, 1312, 1396, 1435, 1570, 1640, 1745, 1792, 2198, 2240, 2296, 2443, 2512, 2624, 2792, 2870, 3140, 3280, 3490, 4396, 4480, 4592, 4886, 5024, 5248, 5495, 5584, 5740, 6280, 6437, 6560, 6980, 8792, 8960, 9184, 9772, 10048, 10496, 10990, 11168, 11480, 12215, 12560, 12874, 13120, 13960, 14309, 17584, 18368, 19544, 20096, 21980, 22336, 22960, 24430, 25120, 25748, 26240, 27920, 28618, 32185, 35168, 36736, 39088, 40192, 43960, 44672, 45059, 45920, 48860, 50240, 51496, 52480, 54793, 55840, 57236, 64370, 70336, 71545, 73472, 78176, 87920, 89344, 90118, 91840, 97720, 100163, 100480, 102992, 109586, 111680, 114472, 128740, 140672, 143090, 156352, 175840, 180236, 183680, 195440, 200326, 200960, 205984, 219172, 223360, 225295, 228944, 257480, 273965, 281344, 286180, 312704, 351680, 360472, 367360, 383551, 390880, 400652, 411968, 438344, 446720, 450590, 457888, 500815, 514960, 547930, 572360, 625408, 703360, 720944, 767102, 781760, 801304, 823936, 876688, 901180, 915776, 1001630, 1029920, 1095860, 1144720, 1406720, 1441888, 1534204, 1563520, 1602608, 1647872, 1753376, 1802360, 1831552, 1917755, 2003260, 2059840, 2191720, 2246513, 2289440, 2883776, 3068408, 3127040, 3205216, 3506752, 3604720, 3663104, 3835510, 4006520, 4119680, 4383440, 4493026, 4578880, 5767552, 6136816, 6410432, 7013504, 7209440, 7671020, 8013040, 8239360, 8766880, 8986052, 9157760, 11232565, 11535104, 12273632, 12820864, 14027008, 14418880, 15342040, 15725591, 16026080, 17533760, 17972104, 18315520, 22465130, 24547264, 25641728, 28837760, 30684080, 31451182, 32052160, 35067520, 35944208, 44930260, 49094528, 57675520, 61368160, 62902364, 64104320, 70135040, 71888416, 78627955, 89860520, 98189056, 122736320, 125804728, 128208640, 143776832, 157255910, 179721040, 245472640, 251609456, 287553664, 314511820, 359442080, 490945280, 503218912, 575107328, 629023640, 718884160, 1006437824, 1258047280, 1437768320, 2012875648, 2516094560, 2875536640, 4025751296, 5032189120, 10064378240, 20128756480]

約数ペア:

[(1, 20128756480), (2, 10064378240), (4, 5032189120), (5, 4025751296), (7, 2875536640), (8, 2516094560), (10, 2012875648), (14, 1437768320), (16, 1258047280), (20, 1006437824), (28, 718884160), (32, 629023640), (35, 575107328), (40, 503218912), (41, 490945280), (56, 359442080), (64, 314511820), (70, 287553664), (80, 251609456), (82, 245472640), (112, 179721040), (128, 157255910), (140, 143776832), (157, 128208640), (160, 125804728), (164, 122736320), (205, 98189056), (224, 89860520), (256, 78627955), (280, 71888416), (287, 70135040), (314, 64104320), (320, 62902364), (328, 61368160), (349, 57675520), (410, 49094528), (448, 44930260), (560, 35944208), (574, 35067520), (628, 32052160), (640, 31451182), (656, 30684080), (698, 28837760), (785, 25641728), (820, 24547264), (896, 22465130), (1099, 18315520), (1120, 17972104), (1148, 17533760), (1256, 16026080), (1280, 15725591), (1312, 15342040), (1396, 14418880), (1435, 14027008), (1570, 12820864), (1640, 12273632), (1745, 11535104), (1792, 11232565), (2198, 9157760), (2240, 8986052), (2296, 8766880), (2443, 8239360), (2512, 8013040), (2624, 7671020), (2792, 7209440), (2870, 7013504), (3140, 6410432), (3280, 6136816), (3490, 5767552), (4396, 4578880), (4480, 4493026), (4592, 4383440), (4886, 4119680), (5024, 4006520), (5248, 3835510), (5495, 3663104), (5584, 3604720), (5740, 3506752), (6280, 3205216), (6437, 3127040), (6560, 3068408), (6980, 2883776), (8792, 2289440), (8960, 2246513), (9184, 2191720), (9772, 2059840), (10048, 2003260), (10496, 1917755), (10990, 1831552), (11168, 1802360), (11480, 1753376), (12215, 1647872), (12560, 1602608), (12874, 1563520), (13120, 1534204), (13960, 1441888), (14309, 1406720), (17584, 1144720), (18368, 1095860), (19544, 1029920), (20096, 1001630), (21980, 915776), (22336, 901180), (22960, 876688), (24430, 823936), (25120, 801304), (25748, 781760), (26240, 767102), (27920, 720944), (28618, 703360), (32185, 625408), (35168, 572360), (36736, 547930), (39088, 514960), (40192, 500815), (43960, 457888), (44672, 450590), (45059, 446720), (45920, 438344), (48860, 411968), (50240, 400652), (51496, 390880), (52480, 383551), (54793, 367360), (55840, 360472), (57236, 351680), (64370, 312704), (70336, 286180), (71545, 281344), (73472, 273965), (78176, 257480), (87920, 228944), (89344, 225295), (90118, 223360), (91840, 219172), (97720, 205984), (100163, 200960), (100480, 200326), (102992, 195440), (109586, 183680), (111680, 180236), (114472, 175840), (128740, 156352), (140672, 143090)]