20121208240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{9901}}^1$

素因数の和:10131

約数の個数: 160

約数和(自身を含む): 56579235840

約数和(自身を除く): 36458027600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 191, 266, 280, 304, 380, 382, 532, 560, 665, 760, 764, 955, 1064, 1330, 1337, 1520, 1528, 1910, 2128, 2660, 2674, 3056, 3629, 3820, 5320, 5348, 6685, 7258, 7640, 9901, 10640, 10696, 13370, 14516, 15280, 18145, 19802, 21392, 25403, 26740, 29032, 36290, 39604, 49505, 50806, 53480, 58064, 69307, 72580, 79208, 99010, 101612, 106960, 127015, 138614, 145160, 158416, 188119, 198020, 203224, 254030, 277228, 290320, 346535, 376238, 396040, 406448, 508060, 554456, 693070, 752476, 792080, 940595, 1016120, 1108912, 1316833, 1386140, 1504952, 1881190, 1891091, 2032240, 2633666, 2772280, 3009904, 3762380, 3782182, 5267332, 5544560, 6584165, 7524760, 7564364, 9455455, 10534664, 13168330, 13237637, 15049520, 15128728, 18910910, 21069328, 26336660, 26475274, 30257456, 35930729, 37821820, 52673320, 52950548, 66188185, 71861458, 75643640, 105346640, 105901096, 132376370, 143722916, 151287280, 179653645, 211802192, 251515103, 264752740, 287445832, 359307290, 503030206, 529505480, 574891664, 718614580, 1006060412, 1059010960, 1257575515, 1437229160, 2012120824, 2515151030, 2874458320, 4024241648, 5030302060, 10060604120, 20121208240]

約数ペア:

[(1, 20121208240), (2, 10060604120), (4, 5030302060), (5, 4024241648), (7, 2874458320), (8, 2515151030), (10, 2012120824), (14, 1437229160), (16, 1257575515), (19, 1059010960), (20, 1006060412), (28, 718614580), (35, 574891664), (38, 529505480), (40, 503030206), (56, 359307290), (70, 287445832), (76, 264752740), (80, 251515103), (95, 211802192), (112, 179653645), (133, 151287280), (140, 143722916), (152, 132376370), (190, 105901096), (191, 105346640), (266, 75643640), (280, 71861458), (304, 66188185), (380, 52950548), (382, 52673320), (532, 37821820), (560, 35930729), (665, 30257456), (760, 26475274), (764, 26336660), (955, 21069328), (1064, 18910910), (1330, 15128728), (1337, 15049520), (1520, 13237637), (1528, 13168330), (1910, 10534664), (2128, 9455455), (2660, 7564364), (2674, 7524760), (3056, 6584165), (3629, 5544560), (3820, 5267332), (5320, 3782182), (5348, 3762380), (6685, 3009904), (7258, 2772280), (7640, 2633666), (9901, 2032240), (10640, 1891091), (10696, 1881190), (13370, 1504952), (14516, 1386140), (15280, 1316833), (18145, 1108912), (19802, 1016120), (21392, 940595), (25403, 792080), (26740, 752476), (29032, 693070), (36290, 554456), (39604, 508060), (49505, 406448), (50806, 396040), (53480, 376238), (58064, 346535), (69307, 290320), (72580, 277228), (79208, 254030), (99010, 203224), (101612, 198020), (106960, 188119), (127015, 158416), (138614, 145160)]