19207680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 160

約数和(自身を含む): 63933408

約数和(自身を除く): 44725728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 61, 64, 80, 82, 96, 120, 122, 123, 128, 160, 164, 183, 192, 205, 240, 244, 246, 256, 305, 320, 328, 366, 384, 410, 480, 488, 492, 512, 610, 615, 640, 656, 732, 768, 820, 915, 960, 976, 984, 1220, 1230, 1280, 1312, 1464, 1536, 1640, 1830, 1920, 1952, 1968, 2440, 2460, 2501, 2560, 2624, 2928, 3280, 3660, 3840, 3904, 3936, 4880, 4920, 5002, 5248, 5856, 6560, 7320, 7503, 7680, 7808, 7872, 9760, 9840, 10004, 10496, 11712, 12505, 13120, 14640, 15006, 15616, 15744, 19520, 19680, 20008, 20992, 23424, 25010, 26240, 29280, 30012, 31232, 31488, 37515, 39040, 39360, 40016, 46848, 50020, 52480, 58560, 60024, 62976, 75030, 78080, 78720, 80032, 93696, 100040, 104960, 117120, 120048, 150060, 156160, 157440, 160064, 200080, 234240, 240096, 300120, 314880, 320128, 400160, 468480, 480192, 600240, 640256, 800320, 960384, 1200480, 1280512, 1600640, 1920768, 2400960, 3201280, 3841536, 4801920, 6402560, 9603840, 19207680]

約数ペア:

[(1, 19207680), (2, 9603840), (3, 6402560), (4, 4801920), (5, 3841536), (6, 3201280), (8, 2400960), (10, 1920768), (12, 1600640), (15, 1280512), (16, 1200480), (20, 960384), (24, 800320), (30, 640256), (32, 600240), (40, 480192), (41, 468480), (48, 400160), (60, 320128), (61, 314880), (64, 300120), (80, 240096), (82, 234240), (96, 200080), (120, 160064), (122, 157440), (123, 156160), (128, 150060), (160, 120048), (164, 117120), (183, 104960), (192, 100040), (205, 93696), (240, 80032), (244, 78720), (246, 78080), (256, 75030), (305, 62976), (320, 60024), (328, 58560), (366, 52480), (384, 50020), (410, 46848), (480, 40016), (488, 39360), (492, 39040), (512, 37515), (610, 31488), (615, 31232), (640, 30012), (656, 29280), (732, 26240), (768, 25010), (820, 23424), (915, 20992), (960, 20008), (976, 19680), (984, 19520), (1220, 15744), (1230, 15616), (1280, 15006), (1312, 14640), (1464, 13120), (1536, 12505), (1640, 11712), (1830, 10496), (1920, 10004), (1952, 9840), (1968, 9760), (2440, 7872), (2460, 7808), (2501, 7680), (2560, 7503), (2624, 7320), (2928, 6560), (3280, 5856), (3660, 5248), (3840, 5002), (3904, 4920), (3936, 4880)]