164711680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 466228224

約数和(自身を除く): 301516544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 593, 620, 640, 868, 896, 992, 1085, 1120, 1186, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2372, 2480, 2965, 3472, 3968, 4151, 4340, 4480, 4744, 4960, 5930, 6944, 7936, 8302, 8680, 8960, 9488, 9920, 11860, 13888, 16604, 17360, 18383, 18976, 19840, 20755, 23720, 27776, 33208, 34720, 36766, 37952, 39680, 41510, 47440, 55552, 66416, 69440, 73532, 75904, 83020, 91915, 94880, 128681, 132832, 138880, 147064, 151808, 166040, 183830, 189760, 257362, 265664, 277760, 294128, 332080, 367660, 379520, 514724, 531328, 588256, 643405, 664160, 735320, 759040, 1029448, 1062656, 1176512, 1286810, 1328320, 1470640, 2058896, 2353024, 2573620, 2656640, 2941280, 4117792, 4706048, 5147240, 5313280, 5882560, 8235584, 10294480, 11765120, 16471168, 20588960, 23530240, 32942336, 41177920, 82355840, 164711680]

約数ペア:

[(1, 164711680), (2, 82355840), (4, 41177920), (5, 32942336), (7, 23530240), (8, 20588960), (10, 16471168), (14, 11765120), (16, 10294480), (20, 8235584), (28, 5882560), (31, 5313280), (32, 5147240), (35, 4706048), (40, 4117792), (56, 2941280), (62, 2656640), (64, 2573620), (70, 2353024), (80, 2058896), (112, 1470640), (124, 1328320), (128, 1286810), (140, 1176512), (155, 1062656), (160, 1029448), (217, 759040), (224, 735320), (248, 664160), (256, 643405), (280, 588256), (310, 531328), (320, 514724), (434, 379520), (448, 367660), (496, 332080), (560, 294128), (593, 277760), (620, 265664), (640, 257362), (868, 189760), (896, 183830), (992, 166040), (1085, 151808), (1120, 147064), (1186, 138880), (1240, 132832), (1280, 128681), (1736, 94880), (1792, 91915), (1984, 83020), (2170, 75904), (2240, 73532), (2372, 69440), (2480, 66416), (2965, 55552), (3472, 47440), (3968, 41510), (4151, 39680), (4340, 37952), (4480, 36766), (4744, 34720), (4960, 33208), (5930, 27776), (6944, 23720), (7936, 20755), (8302, 19840), (8680, 18976), (8960, 18383), (9488, 17360), (9920, 16604), (11860, 13888)]