15441920

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 112

約数和(自身を含む): 41285160

約数和(自身を除く): 25843240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 208, 232, 256, 260, 290, 320, 377, 416, 464, 512, 520, 580, 640, 754, 832, 928, 1024, 1040, 1160, 1280, 1508, 1664, 1856, 1885, 2048, 2080, 2320, 2560, 3016, 3328, 3712, 3770, 4096, 4160, 4640, 5120, 6032, 6656, 7424, 7540, 8192, 8320, 9280, 10240, 12064, 13312, 14848, 15080, 16640, 18560, 20480, 24128, 26624, 29696, 30160, 33280, 37120, 40960, 48256, 53248, 59392, 60320, 66560, 74240, 96512, 106496, 118784, 120640, 133120, 148480, 193024, 237568, 241280, 266240, 296960, 386048, 482560, 532480, 593920, 772096, 965120, 1187840, 1544192, 1930240, 3088384, 3860480, 7720960, 15441920]

約数ペア:

[(1, 15441920), (2, 7720960), (4, 3860480), (5, 3088384), (8, 1930240), (10, 1544192), (13, 1187840), (16, 965120), (20, 772096), (26, 593920), (29, 532480), (32, 482560), (40, 386048), (52, 296960), (58, 266240), (64, 241280), (65, 237568), (80, 193024), (104, 148480), (116, 133120), (128, 120640), (130, 118784), (145, 106496), (160, 96512), (208, 74240), (232, 66560), (256, 60320), (260, 59392), (290, 53248), (320, 48256), (377, 40960), (416, 37120), (464, 33280), (512, 30160), (520, 29696), (580, 26624), (640, 24128), (754, 20480), (832, 18560), (928, 16640), (1024, 15080), (1040, 14848), (1160, 13312), (1280, 12064), (1508, 10240), (1664, 9280), (1856, 8320), (1885, 8192), (2048, 7540), (2080, 7424), (2320, 6656), (2560, 6032), (3016, 5120), (3328, 4640), (3712, 4160), (3770, 4096)]