72558640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11779}}^1$

素因数の和:11810

約数の個数: 80

約数和(自身を含む): 210343680

約数和(自身を除く): 137785040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 11779, 23558, 47116, 58895, 82453, 94232, 117790, 129569, 164906, 188464, 235580, 259138, 329812, 412265, 471160, 518276, 647845, 659624, 824530, 906983, 942320, 1036552, 1295690, 1319248, 1649060, 1813966, 2073104, 2591380, 3298120, 3627932, 4534915, 5182760, 6596240, 7255864, 9069830, 10365520, 14511728, 18139660, 36279320, 72558640]

約数ペア:

[(1, 72558640), (2, 36279320), (4, 18139660), (5, 14511728), (7, 10365520), (8, 9069830), (10, 7255864), (11, 6596240), (14, 5182760), (16, 4534915), (20, 3627932), (22, 3298120), (28, 2591380), (35, 2073104), (40, 1813966), (44, 1649060), (55, 1319248), (56, 1295690), (70, 1036552), (77, 942320), (80, 906983), (88, 824530), (110, 659624), (112, 647845), (140, 518276), (154, 471160), (176, 412265), (220, 329812), (280, 259138), (308, 235580), (385, 188464), (440, 164906), (560, 129569), (616, 117790), (770, 94232), (880, 82453), (1232, 58895), (1540, 47116), (3080, 23558), (6160, 11779)]