20518373520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{20341}}^1$

素因数の和:20830

約数の個数: 160

約数和(自身を含む): 70829216640

約数和(自身を除く): 50310843120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 467, 540, 720, 934, 1080, 1401, 1868, 2160, 2335, 2802, 3736, 4203, 4670, 5604, 7005, 7472, 8406, 9340, 11208, 12609, 14010, 16812, 18680, 20341, 21015, 22416, 25218, 28020, 33624, 37360, 40682, 42030, 50436, 56040, 61023, 63045, 67248, 81364, 84060, 100872, 101705, 112080, 122046, 126090, 162728, 168120, 183069, 201744, 203410, 244092, 252180, 305115, 325456, 336240, 366138, 406820, 488184, 504360, 549207, 610230, 732276, 813640, 915345, 976368, 1008720, 1098414, 1220460, 1464552, 1627280, 1830690, 2196828, 2440920, 2746035, 2929104, 3661380, 4393656, 4881840, 5492070, 7322760, 8787312, 9499247, 10984140, 14645520, 18998494, 21968280, 28497741, 37996988, 43936560, 47496235, 56995482, 75993976, 85493223, 94992470, 113990964, 142488705, 151987952, 170986446, 189984940, 227981928, 256479669, 284977410, 341972892, 379969880, 427466115, 455963856, 512959338, 569954820, 683945784, 759939760, 854932230, 1025918676, 1139909640, 1282398345, 1367891568, 1709864460, 2051837352, 2279819280, 2564796690, 3419728920, 4103674704, 5129593380, 6839457840, 10259186760, 20518373520]

約数ペア:

[(1, 20518373520), (2, 10259186760), (3, 6839457840), (4, 5129593380), (5, 4103674704), (6, 3419728920), (8, 2564796690), (9, 2279819280), (10, 2051837352), (12, 1709864460), (15, 1367891568), (16, 1282398345), (18, 1139909640), (20, 1025918676), (24, 854932230), (27, 759939760), (30, 683945784), (36, 569954820), (40, 512959338), (45, 455963856), (48, 427466115), (54, 379969880), (60, 341972892), (72, 284977410), (80, 256479669), (90, 227981928), (108, 189984940), (120, 170986446), (135, 151987952), (144, 142488705), (180, 113990964), (216, 94992470), (240, 85493223), (270, 75993976), (360, 56995482), (432, 47496235), (467, 43936560), (540, 37996988), (720, 28497741), (934, 21968280), (1080, 18998494), (1401, 14645520), (1868, 10984140), (2160, 9499247), (2335, 8787312), (2802, 7322760), (3736, 5492070), (4203, 4881840), (4670, 4393656), (5604, 3661380), (7005, 2929104), (7472, 2746035), (8406, 2440920), (9340, 2196828), (11208, 1830690), (12609, 1627280), (14010, 1464552), (16812, 1220460), (18680, 1098414), (20341, 1008720), (21015, 976368), (22416, 915345), (25218, 813640), (28020, 732276), (33624, 610230), (37360, 549207), (40682, 504360), (42030, 488184), (50436, 406820), (56040, 366138), (61023, 336240), (63045, 325456), (67248, 305115), (81364, 252180), (84060, 244092), (100872, 203410), (101705, 201744), (112080, 183069), (122046, 168120), (126090, 162728)]