21066071520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{78511}}^1$

素因数の和:78585

約数の個数: 192

約数和(自身を含む): 73125448704

約数和(自身を除く): 52059377184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 96, 104, 120, 129, 130, 156, 160, 172, 195, 208, 215, 240, 258, 260, 312, 344, 390, 416, 430, 480, 516, 520, 559, 624, 645, 688, 780, 860, 1032, 1040, 1118, 1248, 1290, 1376, 1560, 1677, 1720, 2064, 2080, 2236, 2580, 2795, 3120, 3354, 3440, 4128, 4472, 5160, 5590, 6240, 6708, 6880, 8385, 8944, 10320, 11180, 13416, 16770, 17888, 20640, 22360, 26832, 33540, 44720, 53664, 67080, 78511, 89440, 134160, 157022, 235533, 268320, 314044, 392555, 471066, 628088, 785110, 942132, 1020643, 1177665, 1256176, 1570220, 1884264, 2041286, 2355330, 2512352, 3061929, 3140440, 3375973, 3768528, 4082572, 4710660, 5103215, 6123858, 6280880, 6751946, 7537056, 8165144, 9421320, 10127919, 10206430, 12247716, 12561760, 13503892, 15309645, 16330288, 16879865, 18842640, 20255838, 20412860, 24495432, 27007784, 30619290, 32660576, 33759730, 37685280, 40511676, 40825720, 43887649, 48990864, 50639595, 54015568, 61238580, 67519460, 81023352, 81651440, 87775298, 97981728, 101279190, 108031136, 122477160, 131662947, 135038920, 162046704, 163302880, 175550596, 202558380, 219438245, 244954320, 263325894, 270077840, 324093408, 351101192, 405116760, 438876490, 489908640, 526651788, 540155680, 658314735, 702202384, 810233520, 877752980, 1053303576, 1316629470, 1404404768, 1620467040, 1755505960, 2106607152, 2633258940, 3511011920, 4213214304, 5266517880, 7022023840, 10533035760, 21066071520]

約数ペア:

[(1, 21066071520), (2, 10533035760), (3, 7022023840), (4, 5266517880), (5, 4213214304), (6, 3511011920), (8, 2633258940), (10, 2106607152), (12, 1755505960), (13, 1620467040), (15, 1404404768), (16, 1316629470), (20, 1053303576), (24, 877752980), (26, 810233520), (30, 702202384), (32, 658314735), (39, 540155680), (40, 526651788), (43, 489908640), (48, 438876490), (52, 405116760), (60, 351101192), (65, 324093408), (78, 270077840), (80, 263325894), (86, 244954320), (96, 219438245), (104, 202558380), (120, 175550596), (129, 163302880), (130, 162046704), (156, 135038920), (160, 131662947), (172, 122477160), (195, 108031136), (208, 101279190), (215, 97981728), (240, 87775298), (258, 81651440), (260, 81023352), (312, 67519460), (344, 61238580), (390, 54015568), (416, 50639595), (430, 48990864), (480, 43887649), (516, 40825720), (520, 40511676), (559, 37685280), (624, 33759730), (645, 32660576), (688, 30619290), (780, 27007784), (860, 24495432), (1032, 20412860), (1040, 20255838), (1118, 18842640), (1248, 16879865), (1290, 16330288), (1376, 15309645), (1560, 13503892), (1677, 12561760), (1720, 12247716), (2064, 10206430), (2080, 10127919), (2236, 9421320), (2580, 8165144), (2795, 7537056), (3120, 6751946), (3354, 6280880), (3440, 6123858), (4128, 5103215), (4472, 4710660), (5160, 4082572), (5590, 3768528), (6240, 3375973), (6708, 3140440), (6880, 3061929), (8385, 2512352), (8944, 2355330), (10320, 2041286), (11180, 1884264), (13416, 1570220), (16770, 1256176), (17888, 1177665), (20640, 1020643), (22360, 942132), (26832, 785110), (33540, 628088), (44720, 471066), (53664, 392555), (67080, 314044), (78511, 268320), (89440, 235533), (134160, 157022)]