20171423520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3697}}^1$

素因数の和:4145

約数の個数: 240

約数和(自身を含む): 71376710328

約数和(自身を除く): 51205286808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 421, 432, 480, 540, 648, 720, 810, 842, 864, 1080, 1263, 1296, 1440, 1620, 1684, 2105, 2160, 2526, 2592, 3240, 3368, 3697, 3789, 4210, 4320, 5052, 6315, 6480, 6736, 7394, 7578, 8420, 10104, 11091, 11367, 12630, 12960, 13472, 14788, 15156, 16840, 18485, 18945, 20208, 22182, 22734, 25260, 29576, 30312, 33273, 33680, 34101, 36970, 37890, 40416, 44364, 45468, 50520, 55455, 56835, 59152, 60624, 66546, 67360, 68202, 73940, 75780, 88728, 90936, 99819, 101040, 110910, 113670, 118304, 121248, 133092, 136404, 147880, 151560, 166365, 170505, 177456, 181872, 199638, 202080, 221820, 227340, 266184, 272808, 295760, 299457, 303120, 332730, 341010, 354912, 363744, 399276, 443640, 454680, 499095, 532368, 545616, 591520, 598914, 606240, 665460, 682020, 798552, 887280, 909360, 998190, 1064736, 1091232, 1197828, 1330920, 1364040, 1497285, 1556437, 1597104, 1774560, 1818720, 1996380, 2395656, 2661840, 2728080, 2994570, 3112874, 3194208, 3992760, 4669311, 4791312, 5323680, 5456160, 5989140, 6225748, 7782185, 7985520, 9338622, 9582624, 11978280, 12451496, 14007933, 15564370, 15971040, 18677244, 23346555, 23956560, 24902992, 28015866, 31128740, 37354488, 42023799, 46693110, 47913120, 49805984, 56031732, 62257480, 70039665, 74708976, 84047598, 93386220, 112063464, 124514960, 126071397, 140079330, 149417952, 168095196, 186772440, 210118995, 224126928, 249029920, 252142794, 280158660, 336190392, 373544880, 420237990, 448253856, 504285588, 560317320, 630356985, 672380784, 747089760, 840475980, 1008571176, 1120634640, 1260713970, 1344761568, 1680951960, 2017142352, 2241269280, 2521427940, 3361903920, 4034284704, 5042855880, 6723807840, 10085711760, 20171423520]

約数ペア:

[(1, 20171423520), (2, 10085711760), (3, 6723807840), (4, 5042855880), (5, 4034284704), (6, 3361903920), (8, 2521427940), (9, 2241269280), (10, 2017142352), (12, 1680951960), (15, 1344761568), (16, 1260713970), (18, 1120634640), (20, 1008571176), (24, 840475980), (27, 747089760), (30, 672380784), (32, 630356985), (36, 560317320), (40, 504285588), (45, 448253856), (48, 420237990), (54, 373544880), (60, 336190392), (72, 280158660), (80, 252142794), (81, 249029920), (90, 224126928), (96, 210118995), (108, 186772440), (120, 168095196), (135, 149417952), (144, 140079330), (160, 126071397), (162, 124514960), (180, 112063464), (216, 93386220), (240, 84047598), (270, 74708976), (288, 70039665), (324, 62257480), (360, 56031732), (405, 49805984), (421, 47913120), (432, 46693110), (480, 42023799), (540, 37354488), (648, 31128740), (720, 28015866), (810, 24902992), (842, 23956560), (864, 23346555), (1080, 18677244), (1263, 15971040), (1296, 15564370), (1440, 14007933), (1620, 12451496), (1684, 11978280), (2105, 9582624), (2160, 9338622), (2526, 7985520), (2592, 7782185), (3240, 6225748), (3368, 5989140), (3697, 5456160), (3789, 5323680), (4210, 4791312), (4320, 4669311), (5052, 3992760), (6315, 3194208), (6480, 3112874), (6736, 2994570), (7394, 2728080), (7578, 2661840), (8420, 2395656), (10104, 1996380), (11091, 1818720), (11367, 1774560), (12630, 1597104), (12960, 1556437), (13472, 1497285), (14788, 1364040), (15156, 1330920), (16840, 1197828), (18485, 1091232), (18945, 1064736), (20208, 998190), (22182, 909360), (22734, 887280), (25260, 798552), (29576, 682020), (30312, 665460), (33273, 606240), (33680, 598914), (34101, 591520), (36970, 545616), (37890, 532368), (40416, 499095), (44364, 454680), (45468, 443640), (50520, 399276), (55455, 363744), (56835, 354912), (59152, 341010), (60624, 332730), (66546, 303120), (67360, 299457), (68202, 295760), (73940, 272808), (75780, 266184), (88728, 227340), (90936, 221820), (99819, 202080), (101040, 199638), (110910, 181872), (113670, 177456), (118304, 170505), (121248, 166365), (133092, 151560), (136404, 147880)]