15118020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1849

約数の個数: 72

約数和(自身を含む): 46859904

約数和(自身を除く): 31741884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 1787, 2115, 2820, 3574, 4230, 5361, 7148, 8460, 8935, 10722, 16083, 17870, 21444, 26805, 32166, 35740, 53610, 64332, 80415, 83989, 107220, 160830, 167978, 251967, 321660, 335956, 419945, 503934, 755901, 839890, 1007868, 1259835, 1511802, 1679780, 2519670, 3023604, 3779505, 5039340, 7559010, 15118020]

約数ペア:

[(1, 15118020), (2, 7559010), (3, 5039340), (4, 3779505), (5, 3023604), (6, 2519670), (9, 1679780), (10, 1511802), (12, 1259835), (15, 1007868), (18, 839890), (20, 755901), (30, 503934), (36, 419945), (45, 335956), (47, 321660), (60, 251967), (90, 167978), (94, 160830), (141, 107220), (180, 83989), (188, 80415), (235, 64332), (282, 53610), (423, 35740), (470, 32166), (564, 26805), (705, 21444), (846, 17870), (940, 16083), (1410, 10722), (1692, 8935), (1787, 8460), (2115, 7148), (2820, 5361), (3574, 4230)]