80736320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:321

約数の個数: 168

約数和(自身を含む): 236280960

約数和(自身を除く): 155544640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 271, 280, 304, 320, 380, 392, 448, 490, 532, 542, 560, 608, 665, 760, 784, 931, 980, 1064, 1084, 1120, 1216, 1330, 1355, 1520, 1568, 1862, 1897, 1960, 2128, 2168, 2240, 2660, 2710, 3040, 3136, 3724, 3794, 3920, 4256, 4336, 4655, 5149, 5320, 5420, 6080, 7448, 7588, 7840, 8512, 8672, 9310, 9485, 10298, 10640, 10840, 13279, 14896, 15176, 15680, 17344, 18620, 18970, 20596, 21280, 21680, 25745, 26558, 29792, 30352, 36043, 37240, 37940, 41192, 42560, 43360, 51490, 53116, 59584, 60704, 66395, 72086, 74480, 75880, 82384, 86720, 102980, 106232, 121408, 132790, 144172, 148960, 151760, 164768, 180215, 205960, 212464, 252301, 265580, 288344, 297920, 303520, 329536, 360430, 411920, 424928, 504602, 531160, 576688, 607040, 720860, 823840, 849856, 1009204, 1062320, 1153376, 1261505, 1441720, 1647680, 2018408, 2124640, 2306752, 2523010, 2883440, 4036816, 4249280, 5046020, 5766880, 8073632, 10092040, 11533760, 16147264, 20184080, 40368160, 80736320]

約数ペア:

[(1, 80736320), (2, 40368160), (4, 20184080), (5, 16147264), (7, 11533760), (8, 10092040), (10, 8073632), (14, 5766880), (16, 5046020), (19, 4249280), (20, 4036816), (28, 2883440), (32, 2523010), (35, 2306752), (38, 2124640), (40, 2018408), (49, 1647680), (56, 1441720), (64, 1261505), (70, 1153376), (76, 1062320), (80, 1009204), (95, 849856), (98, 823840), (112, 720860), (133, 607040), (140, 576688), (152, 531160), (160, 504602), (190, 424928), (196, 411920), (224, 360430), (245, 329536), (266, 303520), (271, 297920), (280, 288344), (304, 265580), (320, 252301), (380, 212464), (392, 205960), (448, 180215), (490, 164768), (532, 151760), (542, 148960), (560, 144172), (608, 132790), (665, 121408), (760, 106232), (784, 102980), (931, 86720), (980, 82384), (1064, 75880), (1084, 74480), (1120, 72086), (1216, 66395), (1330, 60704), (1355, 59584), (1520, 53116), (1568, 51490), (1862, 43360), (1897, 42560), (1960, 41192), (2128, 37940), (2168, 37240), (2240, 36043), (2660, 30352), (2710, 29792), (3040, 26558), (3136, 25745), (3724, 21680), (3794, 21280), (3920, 20596), (4256, 18970), (4336, 18620), (4655, 17344), (5149, 15680), (5320, 15176), (5420, 14896), (6080, 13279), (7448, 10840), (7588, 10640), (7840, 10298), (8512, 9485), (8672, 9310)]