131196520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 390700800

約数和(自身を除く): 259504280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 76, 91, 95, 98, 104, 130, 133, 140, 152, 182, 190, 196, 245, 247, 260, 266, 271, 280, 364, 380, 392, 455, 490, 494, 520, 532, 542, 637, 665, 728, 760, 910, 931, 980, 988, 1064, 1084, 1235, 1274, 1330, 1355, 1729, 1820, 1862, 1897, 1960, 1976, 2168, 2470, 2548, 2660, 2710, 3185, 3458, 3523, 3640, 3724, 3794, 4655, 4940, 5096, 5149, 5320, 5420, 6370, 6916, 7046, 7448, 7588, 8645, 9310, 9485, 9880, 10298, 10840, 12103, 12740, 13279, 13832, 14092, 15176, 17290, 17615, 18620, 18970, 20596, 24206, 24661, 25480, 25745, 26558, 28184, 34580, 35230, 36043, 37240, 37940, 41192, 48412, 49322, 51490, 53116, 60515, 66395, 66937, 69160, 70460, 72086, 75880, 96824, 98644, 102980, 106232, 121030, 123305, 132790, 133874, 140920, 144172, 172627, 180215, 197288, 205960, 242060, 246610, 252301, 265580, 267748, 288344, 334685, 345254, 360430, 468559, 484120, 493220, 504602, 531160, 535496, 669370, 690508, 720860, 863135, 937118, 986440, 1009204, 1261505, 1338740, 1381016, 1441720, 1726270, 1874236, 2018408, 2342795, 2523010, 2677480, 3279913, 3452540, 3748472, 4685590, 5046020, 6559826, 6905080, 9371180, 10092040, 13119652, 16399565, 18742360, 26239304, 32799130, 65598260, 131196520]

約数ペア:

[(1, 131196520), (2, 65598260), (4, 32799130), (5, 26239304), (7, 18742360), (8, 16399565), (10, 13119652), (13, 10092040), (14, 9371180), (19, 6905080), (20, 6559826), (26, 5046020), (28, 4685590), (35, 3748472), (38, 3452540), (40, 3279913), (49, 2677480), (52, 2523010), (56, 2342795), (65, 2018408), (70, 1874236), (76, 1726270), (91, 1441720), (95, 1381016), (98, 1338740), (104, 1261505), (130, 1009204), (133, 986440), (140, 937118), (152, 863135), (182, 720860), (190, 690508), (196, 669370), (245, 535496), (247, 531160), (260, 504602), (266, 493220), (271, 484120), (280, 468559), (364, 360430), (380, 345254), (392, 334685), (455, 288344), (490, 267748), (494, 265580), (520, 252301), (532, 246610), (542, 242060), (637, 205960), (665, 197288), (728, 180215), (760, 172627), (910, 144172), (931, 140920), (980, 133874), (988, 132790), (1064, 123305), (1084, 121030), (1235, 106232), (1274, 102980), (1330, 98644), (1355, 96824), (1729, 75880), (1820, 72086), (1862, 70460), (1897, 69160), (1960, 66937), (1976, 66395), (2168, 60515), (2470, 53116), (2548, 51490), (2660, 49322), (2710, 48412), (3185, 41192), (3458, 37940), (3523, 37240), (3640, 36043), (3724, 35230), (3794, 34580), (4655, 28184), (4940, 26558), (5096, 25745), (5149, 25480), (5320, 24661), (5420, 24206), (6370, 20596), (6916, 18970), (7046, 18620), (7448, 17615), (7588, 17290), (8645, 15176), (9310, 14092), (9485, 13832), (9880, 13279), (10298, 12740), (10840, 12103)]