31913251840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 264

約数和(自身を含む): 81910868760

約数和(自身を除く): 49997616920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 128, 145, 148, 157, 160, 185, 232, 256, 290, 296, 314, 320, 370, 464, 512, 580, 592, 628, 640, 740, 785, 928, 1024, 1073, 1160, 1184, 1256, 1280, 1369, 1480, 1570, 1856, 2146, 2320, 2368, 2512, 2560, 2738, 2960, 3140, 3712, 4292, 4553, 4640, 4736, 5024, 5120, 5365, 5476, 5809, 5920, 6280, 6845, 7424, 8584, 9106, 9280, 9472, 10048, 10730, 10952, 11618, 11840, 12560, 13690, 14848, 17168, 18212, 18560, 18944, 20096, 21460, 21904, 22765, 23236, 23680, 25120, 27380, 29045, 29696, 34336, 36424, 37120, 37888, 39701, 40192, 42920, 43808, 45530, 46472, 47360, 50240, 54760, 58090, 68672, 72848, 74240, 79402, 80384, 85840, 87616, 91060, 92944, 94720, 100480, 109520, 116180, 137344, 145696, 148480, 158804, 160768, 168461, 171680, 175232, 182120, 185888, 189440, 198505, 200960, 214933, 219040, 232360, 274688, 291392, 317608, 336922, 343360, 350464, 364240, 371776, 397010, 401920, 429866, 438080, 464720, 549376, 582784, 635216, 673844, 686720, 700928, 728480, 743552, 794020, 803840, 842305, 859732, 876160, 929440, 1074665, 1098752, 1165568, 1270432, 1347688, 1373440, 1401856, 1456960, 1487104, 1588040, 1684610, 1719464, 1752320, 1858880, 2149330, 2331136, 2540864, 2695376, 2746880, 2913920, 2974208, 3176080, 3369220, 3438928, 3504640, 3717760, 4298660, 4662272, 5081728, 5390752, 5493760, 5827840, 5948416, 6233057, 6352160, 6738440, 6877856, 7009280, 7435520, 8597320, 10163456, 10781504, 11655680, 12466114, 12704320, 13476880, 13755712, 14871040, 17194640, 20326912, 21563008, 23311360, 24932228, 25408640, 26953760, 27511424, 29742080, 31165285, 34389280, 40653824, 43126016, 49864456, 50817280, 53907520, 55022848, 62330570, 68778560, 86252032, 99728912, 101634560, 107815040, 110045696, 124661140, 137557120, 172504064, 199457824, 203269120, 215630080, 220091392, 249322280, 275114240, 398915648, 431260160, 498644560, 550228480, 797831296, 862520320, 997289120, 1100456960, 1595662592, 1994578240, 3191325184, 3989156480, 6382650368, 7978312960, 15956625920, 31913251840]

約数ペア:

[(1, 31913251840), (2, 15956625920), (4, 7978312960), (5, 6382650368), (8, 3989156480), (10, 3191325184), (16, 1994578240), (20, 1595662592), (29, 1100456960), (32, 997289120), (37, 862520320), (40, 797831296), (58, 550228480), (64, 498644560), (74, 431260160), (80, 398915648), (116, 275114240), (128, 249322280), (145, 220091392), (148, 215630080), (157, 203269120), (160, 199457824), (185, 172504064), (232, 137557120), (256, 124661140), (290, 110045696), (296, 107815040), (314, 101634560), (320, 99728912), (370, 86252032), (464, 68778560), (512, 62330570), (580, 55022848), (592, 53907520), (628, 50817280), (640, 49864456), (740, 43126016), (785, 40653824), (928, 34389280), (1024, 31165285), (1073, 29742080), (1160, 27511424), (1184, 26953760), (1256, 25408640), (1280, 24932228), (1369, 23311360), (1480, 21563008), (1570, 20326912), (1856, 17194640), (2146, 14871040), (2320, 13755712), (2368, 13476880), (2512, 12704320), (2560, 12466114), (2738, 11655680), (2960, 10781504), (3140, 10163456), (3712, 8597320), (4292, 7435520), (4553, 7009280), (4640, 6877856), (4736, 6738440), (5024, 6352160), (5120, 6233057), (5365, 5948416), (5476, 5827840), (5809, 5493760), (5920, 5390752), (6280, 5081728), (6845, 4662272), (7424, 4298660), (8584, 3717760), (9106, 3504640), (9280, 3438928), (9472, 3369220), (10048, 3176080), (10730, 2974208), (10952, 2913920), (11618, 2746880), (11840, 2695376), (12560, 2540864), (13690, 2331136), (14848, 2149330), (17168, 1858880), (18212, 1752320), (18560, 1719464), (18944, 1684610), (20096, 1588040), (21460, 1487104), (21904, 1456960), (22765, 1401856), (23236, 1373440), (23680, 1347688), (25120, 1270432), (27380, 1165568), (29045, 1098752), (29696, 1074665), (34336, 929440), (36424, 876160), (37120, 859732), (37888, 842305), (39701, 803840), (40192, 794020), (42920, 743552), (43808, 728480), (45530, 700928), (46472, 686720), (47360, 673844), (50240, 635216), (54760, 582784), (58090, 549376), (68672, 464720), (72848, 438080), (74240, 429866), (79402, 401920), (80384, 397010), (85840, 371776), (87616, 364240), (91060, 350464), (92944, 343360), (94720, 336922), (100480, 317608), (109520, 291392), (116180, 274688), (137344, 232360), (145696, 219040), (148480, 214933), (158804, 200960), (160768, 198505), (168461, 189440), (171680, 185888), (175232, 182120)]