81189479920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{23531}}^1$

素因数の和:23663

約数の個数: 160

約数和(自身を含む): 207992759040

約数和(自身を除く): 126803279120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 59, 68, 80, 85, 86, 118, 136, 170, 172, 215, 236, 272, 295, 340, 344, 430, 472, 590, 680, 688, 731, 860, 944, 1003, 1180, 1360, 1462, 1720, 2006, 2360, 2537, 2924, 3440, 3655, 4012, 4720, 5015, 5074, 5848, 7310, 8024, 10030, 10148, 11696, 12685, 14620, 16048, 20060, 20296, 23531, 25370, 29240, 40120, 40592, 43129, 47062, 50740, 58480, 80240, 86258, 94124, 101480, 117655, 172516, 188248, 202960, 215645, 235310, 345032, 376496, 400027, 431290, 470620, 690064, 800054, 862580, 941240, 1011833, 1388329, 1600108, 1725160, 1882480, 2000135, 2023666, 2776658, 3200216, 3450320, 4000270, 4047332, 5059165, 5553316, 6400432, 6941645, 8000540, 8094664, 10118330, 11106632, 13883290, 16001080, 16189328, 17201161, 20236660, 22213264, 23601593, 27766580, 32002160, 34402322, 40473320, 47203186, 55533160, 59698147, 68804644, 80946640, 86005805, 94406372, 111066320, 118007965, 119396294, 137609288, 172011610, 188812744, 236015930, 238792588, 275218576, 298490735, 344023220, 377625488, 472031860, 477585176, 596981470, 688046440, 944063720, 955170352, 1014868499, 1193962940, 1376092880, 1888127440, 2029736998, 2387925880, 4059473996, 4775851760, 5074342495, 8118947992, 10148684990, 16237895984, 20297369980, 40594739960, 81189479920]

約数ペア:

[(1, 81189479920), (2, 40594739960), (4, 20297369980), (5, 16237895984), (8, 10148684990), (10, 8118947992), (16, 5074342495), (17, 4775851760), (20, 4059473996), (34, 2387925880), (40, 2029736998), (43, 1888127440), (59, 1376092880), (68, 1193962940), (80, 1014868499), (85, 955170352), (86, 944063720), (118, 688046440), (136, 596981470), (170, 477585176), (172, 472031860), (215, 377625488), (236, 344023220), (272, 298490735), (295, 275218576), (340, 238792588), (344, 236015930), (430, 188812744), (472, 172011610), (590, 137609288), (680, 119396294), (688, 118007965), (731, 111066320), (860, 94406372), (944, 86005805), (1003, 80946640), (1180, 68804644), (1360, 59698147), (1462, 55533160), (1720, 47203186), (2006, 40473320), (2360, 34402322), (2537, 32002160), (2924, 27766580), (3440, 23601593), (3655, 22213264), (4012, 20236660), (4720, 17201161), (5015, 16189328), (5074, 16001080), (5848, 13883290), (7310, 11106632), (8024, 10118330), (10030, 8094664), (10148, 8000540), (11696, 6941645), (12685, 6400432), (14620, 5553316), (16048, 5059165), (20060, 4047332), (20296, 4000270), (23531, 3450320), (25370, 3200216), (29240, 2776658), (40120, 2023666), (40592, 2000135), (43129, 1882480), (47062, 1725160), (50740, 1600108), (58480, 1388329), (80240, 1011833), (86258, 941240), (94124, 862580), (101480, 800054), (117655, 690064), (172516, 470620), (188248, 431290), (202960, 400027), (215645, 376496), (235310, 345032)]