215889920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:783

約数の個数: 96

約数和(自身を含む): 536608800

約数和(自身を除く): 320718880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 727, 928, 1024, 1160, 1280, 1454, 1856, 2048, 2320, 2560, 2908, 3635, 3712, 4640, 5120, 5816, 7270, 7424, 9280, 10240, 11632, 14540, 14848, 18560, 21083, 23264, 29080, 29696, 37120, 42166, 46528, 58160, 59392, 74240, 84332, 93056, 105415, 116320, 148480, 168664, 186112, 210830, 232640, 296960, 337328, 372224, 421660, 465280, 674656, 744448, 843320, 930560, 1349312, 1488896, 1686640, 1861120, 2698624, 3373280, 3722240, 5397248, 6746560, 7444480, 10794496, 13493120, 21588992, 26986240, 43177984, 53972480, 107944960, 215889920]

約数ペア:

[(1, 215889920), (2, 107944960), (4, 53972480), (5, 43177984), (8, 26986240), (10, 21588992), (16, 13493120), (20, 10794496), (29, 7444480), (32, 6746560), (40, 5397248), (58, 3722240), (64, 3373280), (80, 2698624), (116, 1861120), (128, 1686640), (145, 1488896), (160, 1349312), (232, 930560), (256, 843320), (290, 744448), (320, 674656), (464, 465280), (512, 421660), (580, 372224), (640, 337328), (727, 296960), (928, 232640), (1024, 210830), (1160, 186112), (1280, 168664), (1454, 148480), (1856, 116320), (2048, 105415), (2320, 93056), (2560, 84332), (2908, 74240), (3635, 59392), (3712, 58160), (4640, 46528), (5120, 42166), (5816, 37120), (7270, 29696), (7424, 29080), (9280, 23264), (10240, 21083), (11632, 18560), (14540, 14848)]