71088640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{3967}}^1$

素因数の和:3997

約数の個数: 80

約数和(自身を含む): 194844672

約数和(自身を除く): 123756032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 3967, 4480, 7934, 8960, 15868, 17920, 19835, 27769, 31736, 39670, 55538, 63472, 79340, 111076, 126944, 138845, 158680, 222152, 253888, 277690, 317360, 444304, 507776, 555380, 634720, 888608, 1015552, 1110760, 1269440, 1777216, 2031104, 2221520, 2538880, 3554432, 4443040, 5077760, 7108864, 8886080, 10155520, 14217728, 17772160, 35544320, 71088640]

約数ペア:

[(1, 71088640), (2, 35544320), (4, 17772160), (5, 14217728), (7, 10155520), (8, 8886080), (10, 7108864), (14, 5077760), (16, 4443040), (20, 3554432), (28, 2538880), (32, 2221520), (35, 2031104), (40, 1777216), (56, 1269440), (64, 1110760), (70, 1015552), (80, 888608), (112, 634720), (128, 555380), (140, 507776), (160, 444304), (224, 317360), (256, 277690), (280, 253888), (320, 222152), (448, 158680), (512, 138845), (560, 126944), (640, 111076), (896, 79340), (1120, 63472), (1280, 55538), (1792, 39670), (2240, 31736), (2560, 27769), (3584, 19835), (3967, 17920), (4480, 15868), (7934, 8960)]