12140720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 30533760

約数和(自身を除く): 18393040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 113, 136, 158, 170, 226, 272, 316, 340, 395, 452, 565, 632, 680, 790, 904, 1130, 1264, 1343, 1360, 1580, 1808, 1921, 2260, 2686, 3160, 3842, 4520, 5372, 6320, 6715, 7684, 8927, 9040, 9605, 10744, 13430, 15368, 17854, 19210, 21488, 26860, 30736, 35708, 38420, 44635, 53720, 71416, 76840, 89270, 107440, 142832, 151759, 153680, 178540, 303518, 357080, 607036, 714160, 758795, 1214072, 1517590, 2428144, 3035180, 6070360, 12140720]

約数ペア:

[(1, 12140720), (2, 6070360), (4, 3035180), (5, 2428144), (8, 1517590), (10, 1214072), (16, 758795), (17, 714160), (20, 607036), (34, 357080), (40, 303518), (68, 178540), (79, 153680), (80, 151759), (85, 142832), (113, 107440), (136, 89270), (158, 76840), (170, 71416), (226, 53720), (272, 44635), (316, 38420), (340, 35708), (395, 30736), (452, 26860), (565, 21488), (632, 19210), (680, 17854), (790, 15368), (904, 13430), (1130, 10744), (1264, 9605), (1343, 9040), (1360, 8927), (1580, 7684), (1808, 6715), (1921, 6320), (2260, 5372), (2686, 4520), (3160, 3842)]