15122720

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2073

約数の個数: 48

約数和(自身を含む): 36505728

約数和(自身を除く): 21383008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2011, 3760, 4022, 7520, 8044, 10055, 16088, 20110, 32176, 40220, 64352, 80440, 94517, 160880, 189034, 321760, 378068, 472585, 756136, 945170, 1512272, 1890340, 3024544, 3780680, 7561360, 15122720]

約数ペア:

[(1, 15122720), (2, 7561360), (4, 3780680), (5, 3024544), (8, 1890340), (10, 1512272), (16, 945170), (20, 756136), (32, 472585), (40, 378068), (47, 321760), (80, 189034), (94, 160880), (160, 94517), (188, 80440), (235, 64352), (376, 40220), (470, 32176), (752, 20110), (940, 16088), (1504, 10055), (1880, 8044), (2011, 7520), (3760, 4022)]