161472640

素因数分解:

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

素因数の和:323

約数の個数: 192

約数和(自身を含む): 474422400

約数和(自身を除く): 312949760

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, 128, 133, 140, 152, 160, 190, 196, 224, 245, 266, 271, 280, 304, 320, 380, 392, 448, 490, 532, 542, 560, 608, 640, 665, 760, 784, 896, 931, 980, 1064, 1084, 1120, 1216, 1330, 1355, 1520, 1568, 1862, 1897, 1960, 2128, 2168, 2240, 2432, 2660, 2710, 3040, 3136, 3724, 3794, 3920, 4256, 4336, 4480, 4655, 5149, 5320, 5420, 6080, 6272, 7448, 7588, 7840, 8512, 8672, 9310, 9485, 10298, 10640, 10840, 12160, 13279, 14896, 15176, 15680, 17024, 17344, 18620, 18970, 20596, 21280, 21680, 25745, 26558, 29792, 30352, 31360, 34688, 36043, 37240, 37940, 41192, 42560, 43360, 51490, 53116, 59584, 60704, 66395, 72086, 74480, 75880, 82384, 85120, 86720, 102980, 106232, 119168, 121408, 132790, 144172, 148960, 151760, 164768, 173440, 180215, 205960, 212464, 242816, 252301, 265580, 288344, 297920, 303520, 329536, 360430, 411920, 424928, 504602, 531160, 576688, 595840, 607040, 659072, 720860, 823840, 849856, 1009204, 1062320, 1153376, 1214080, 1261505, 1441720, 1647680, 1699712, 2018408, 2124640, 2306752, 2523010, 2883440, 3295360, 4036816, 4249280, 4613504, 5046020, 5766880, 8073632, 8498560, 10092040, 11533760, 16147264, 20184080, 23067520, 32294528, 40368160, 80736320, 161472640]

約数ペア:

[(1, 161472640), (2, 80736320), (4, 40368160), (5, 32294528), (7, 23067520), (8, 20184080), (10, 16147264), (14, 11533760), (16, 10092040), (19, 8498560), (20, 8073632), (28, 5766880), (32, 5046020), (35, 4613504), (38, 4249280), (40, 4036816), (49, 3295360), (56, 2883440), (64, 2523010), (70, 2306752), (76, 2124640), (80, 2018408), (95, 1699712), (98, 1647680), (112, 1441720), (128, 1261505), (133, 1214080), (140, 1153376), (152, 1062320), (160, 1009204), (190, 849856), (196, 823840), (224, 720860), (245, 659072), (266, 607040), (271, 595840), (280, 576688), (304, 531160), (320, 504602), (380, 424928), (392, 411920), (448, 360430), (490, 329536), (532, 303520), (542, 297920), (560, 288344), (608, 265580), (640, 252301), (665, 242816), (760, 212464), (784, 205960), (896, 180215), (931, 173440), (980, 164768), (1064, 151760), (1084, 148960), (1120, 144172), (1216, 132790), (1330, 121408), (1355, 119168), (1520, 106232), (1568, 102980), (1862, 86720), (1897, 85120), (1960, 82384), (2128, 75880), (2168, 74480), (2240, 72086), (2432, 66395), (2660, 60704), (2710, 59584), (3040, 53116), (3136, 51490), (3724, 43360), (3794, 42560), (3920, 41192), (4256, 37940), (4336, 37240), (4480, 36043), (4655, 34688), (5149, 31360), (5320, 30352), (5420, 29792), (6080, 26558), (6272, 25745), (7448, 21680), (7588, 21280), (7840, 20596), (8512, 18970), (8672, 18620), (9310, 17344), (9485, 17024), (10298, 15680), (10640, 15176), (10840, 14896), (12160, 13279)]