20318384520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{5881}}^1$

素因数の和:6365

約数の個数: 256

約数和(自身を含む): 77585932800

約数和(自身を除く): 57267548280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 457, 504, 540, 630, 756, 840, 914, 945, 1080, 1260, 1371, 1512, 1828, 1890, 2285, 2520, 2742, 3199, 3656, 3780, 4113, 4570, 5484, 5881, 6398, 6855, 7560, 8226, 9140, 9597, 10968, 11762, 12339, 12796, 13710, 15995, 16452, 17643, 18280, 19194, 20565, 23524, 24678, 25592, 27420, 28791, 29405, 31990, 32904, 35286, 38388, 41130, 41167, 47048, 47985, 49356, 52929, 54840, 57582, 58810, 61695, 63980, 70572, 76776, 82260, 82334, 86373, 88215, 95970, 98712, 105858, 115164, 117620, 123390, 123501, 127960, 141144, 143955, 158787, 164520, 164668, 172746, 176430, 191940, 205835, 211716, 230328, 235240, 246780, 247002, 264645, 287910, 317574, 329336, 345492, 352860, 370503, 383880, 411670, 423432, 431865, 493560, 494004, 529290, 575820, 617505, 635148, 690984, 705720, 741006, 793935, 823340, 863730, 988008, 1058580, 1111509, 1151640, 1235010, 1270296, 1482012, 1587870, 1646680, 1727460, 1852515, 2117160, 2223018, 2470020, 2687617, 2964024, 3175740, 3454920, 3705030, 4446036, 4940040, 5375234, 5557545, 6351480, 7410060, 8062851, 8892072, 10750468, 11115090, 13438085, 14820120, 16125702, 18813319, 21500936, 22230180, 24188553, 26876170, 32251404, 37626638, 40314255, 44460360, 48377106, 53752340, 56439957, 64502808, 72565659, 75253276, 80628510, 94066595, 96754212, 107504680, 112879914, 120942765, 145131318, 150506552, 161257020, 169319871, 188133190, 193508424, 225759828, 241885530, 282199785, 290262636, 322514040, 338639742, 362828295, 376266380, 451519656, 483771060, 507959613, 564399570, 580525272, 677279484, 725656590, 752532760, 846599355, 967542120, 1015919226, 1128799140, 1354558968, 1451313180, 1693198710, 2031838452, 2257598280, 2539798065, 2902626360, 3386397420, 4063676904, 5079596130, 6772794840, 10159192260, 20318384520]

約数ペア:

[(1, 20318384520), (2, 10159192260), (3, 6772794840), (4, 5079596130), (5, 4063676904), (6, 3386397420), (7, 2902626360), (8, 2539798065), (9, 2257598280), (10, 2031838452), (12, 1693198710), (14, 1451313180), (15, 1354558968), (18, 1128799140), (20, 1015919226), (21, 967542120), (24, 846599355), (27, 752532760), (28, 725656590), (30, 677279484), (35, 580525272), (36, 564399570), (40, 507959613), (42, 483771060), (45, 451519656), (54, 376266380), (56, 362828295), (60, 338639742), (63, 322514040), (70, 290262636), (72, 282199785), (84, 241885530), (90, 225759828), (105, 193508424), (108, 188133190), (120, 169319871), (126, 161257020), (135, 150506552), (140, 145131318), (168, 120942765), (180, 112879914), (189, 107504680), (210, 96754212), (216, 94066595), (252, 80628510), (270, 75253276), (280, 72565659), (315, 64502808), (360, 56439957), (378, 53752340), (420, 48377106), (457, 44460360), (504, 40314255), (540, 37626638), (630, 32251404), (756, 26876170), (840, 24188553), (914, 22230180), (945, 21500936), (1080, 18813319), (1260, 16125702), (1371, 14820120), (1512, 13438085), (1828, 11115090), (1890, 10750468), (2285, 8892072), (2520, 8062851), (2742, 7410060), (3199, 6351480), (3656, 5557545), (3780, 5375234), (4113, 4940040), (4570, 4446036), (5484, 3705030), (5881, 3454920), (6398, 3175740), (6855, 2964024), (7560, 2687617), (8226, 2470020), (9140, 2223018), (9597, 2117160), (10968, 1852515), (11762, 1727460), (12339, 1646680), (12796, 1587870), (13710, 1482012), (15995, 1270296), (16452, 1235010), (17643, 1151640), (18280, 1111509), (19194, 1058580), (20565, 988008), (23524, 863730), (24678, 823340), (25592, 793935), (27420, 741006), (28791, 705720), (29405, 690984), (31990, 635148), (32904, 617505), (35286, 575820), (38388, 529290), (41130, 494004), (41167, 493560), (47048, 431865), (47985, 423432), (49356, 411670), (52929, 383880), (54840, 370503), (57582, 352860), (58810, 345492), (61695, 329336), (63980, 317574), (70572, 287910), (76776, 264645), (82260, 247002), (82334, 246780), (86373, 235240), (88215, 230328), (95970, 211716), (98712, 205835), (105858, 191940), (115164, 176430), (117620, 172746), (123390, 164668), (123501, 164520), (127960, 158787), (141144, 143955)]