2478640640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1068

約数の個数: 160

約数和(自身を含む): 6842937024

約数和(自身を除く): 4364296384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 224, 256, 280, 314, 320, 448, 512, 560, 628, 640, 785, 881, 896, 1099, 1120, 1256, 1280, 1570, 1762, 1792, 2198, 2240, 2512, 2560, 3140, 3524, 3584, 4396, 4405, 4480, 5024, 5495, 6167, 6280, 7048, 8792, 8810, 8960, 10048, 10990, 12334, 12560, 14096, 17584, 17620, 17920, 20096, 21980, 24668, 25120, 28192, 30835, 35168, 35240, 40192, 43960, 49336, 50240, 56384, 61670, 70336, 70480, 80384, 87920, 98672, 100480, 112768, 123340, 138317, 140672, 140960, 175840, 197344, 200960, 225536, 246680, 276634, 281344, 281920, 351680, 394688, 401920, 451072, 493360, 553268, 562688, 563840, 691585, 703360, 789376, 968219, 986720, 1106536, 1127680, 1383170, 1406720, 1578752, 1936438, 1973440, 2213072, 2255360, 2766340, 2813440, 3157504, 3872876, 3946880, 4426144, 4841095, 5532680, 7745752, 7893760, 8852288, 9682190, 11065360, 15491504, 15787520, 17704576, 19364380, 22130720, 30983008, 35409152, 38728760, 44261440, 61966016, 70818304, 77457520, 88522880, 123932032, 154915040, 177045760, 247864064, 309830080, 354091520, 495728128, 619660160, 1239320320, 2478640640]

約数ペア:

[(1, 2478640640), (2, 1239320320), (4, 619660160), (5, 495728128), (7, 354091520), (8, 309830080), (10, 247864064), (14, 177045760), (16, 154915040), (20, 123932032), (28, 88522880), (32, 77457520), (35, 70818304), (40, 61966016), (56, 44261440), (64, 38728760), (70, 35409152), (80, 30983008), (112, 22130720), (128, 19364380), (140, 17704576), (157, 15787520), (160, 15491504), (224, 11065360), (256, 9682190), (280, 8852288), (314, 7893760), (320, 7745752), (448, 5532680), (512, 4841095), (560, 4426144), (628, 3946880), (640, 3872876), (785, 3157504), (881, 2813440), (896, 2766340), (1099, 2255360), (1120, 2213072), (1256, 1973440), (1280, 1936438), (1570, 1578752), (1762, 1406720), (1792, 1383170), (2198, 1127680), (2240, 1106536), (2512, 986720), (2560, 968219), (3140, 789376), (3524, 703360), (3584, 691585), (4396, 563840), (4405, 562688), (4480, 553268), (5024, 493360), (5495, 451072), (6167, 401920), (6280, 394688), (7048, 351680), (8792, 281920), (8810, 281344), (8960, 276634), (10048, 246680), (10990, 225536), (12334, 200960), (12560, 197344), (14096, 175840), (17584, 140960), (17620, 140672), (17920, 138317), (20096, 123340), (21980, 112768), (24668, 100480), (25120, 98672), (28192, 87920), (30835, 80384), (35168, 70480), (35240, 70336), (40192, 61670), (43960, 56384), (49336, 50240)]