72987760

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3469}}^1$

素因数の和:3745

約数の個数: 40

約数和(自身を含む): 170390880

約数和(自身を除く): 97403120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3469, 4208, 5260, 6938, 10520, 13876, 17345, 21040, 27752, 34690, 55504, 69380, 138760, 277520, 912347, 1824694, 3649388, 4561735, 7298776, 9123470, 14597552, 18246940, 36493880, 72987760]

約数ペア:

[(1, 72987760), (2, 36493880), (4, 18246940), (5, 14597552), (8, 9123470), (10, 7298776), (16, 4561735), (20, 3649388), (40, 1824694), (80, 912347), (263, 277520), (526, 138760), (1052, 69380), (1315, 55504), (2104, 34690), (2630, 27752), (3469, 21040), (4208, 17345), (5260, 13876), (6938, 10520)]