1379056640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20719}}^1$

素因数の和:20757

約数の個数: 88

約数和(自身を含む): 3562762560

約数和(自身を除く): 2183705920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 5120, 6656, 8320, 13312, 16640, 20719, 33280, 41438, 66560, 82876, 103595, 165752, 207190, 269347, 331504, 414380, 538694, 663008, 828760, 1077388, 1326016, 1346735, 1657520, 2154776, 2652032, 2693470, 3315040, 4309552, 5304064, 5386940, 6630080, 8619104, 10608128, 10773880, 13260160, 17238208, 21216256, 21547760, 26520320, 34476416, 43095520, 53040640, 68952832, 86191040, 106081280, 137905664, 172382080, 275811328, 344764160, 689528320, 1379056640]

約数ペア:

[(1, 1379056640), (2, 689528320), (4, 344764160), (5, 275811328), (8, 172382080), (10, 137905664), (13, 106081280), (16, 86191040), (20, 68952832), (26, 53040640), (32, 43095520), (40, 34476416), (52, 26520320), (64, 21547760), (65, 21216256), (80, 17238208), (104, 13260160), (128, 10773880), (130, 10608128), (160, 8619104), (208, 6630080), (256, 5386940), (260, 5304064), (320, 4309552), (416, 3315040), (512, 2693470), (520, 2652032), (640, 2154776), (832, 1657520), (1024, 1346735), (1040, 1326016), (1280, 1077388), (1664, 828760), (2080, 663008), (2560, 538694), (3328, 414380), (4160, 331504), (5120, 269347), (6656, 207190), (8320, 165752), (13312, 103595), (16640, 82876), (20719, 66560), (33280, 41438)]