13203540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{499}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 47880000

約数和(自身を除く): 34676460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 499, 540, 588, 630, 735, 756, 882, 945, 980, 998, 1260, 1323, 1470, 1497, 1764, 1890, 1996, 2205, 2495, 2646, 2940, 2994, 3493, 3780, 4410, 4491, 4990, 5292, 5988, 6615, 6986, 7485, 8820, 8982, 9980, 10479, 13230, 13473, 13972, 14970, 17465, 17964, 20958, 22455, 24451, 26460, 26946, 29940, 31437, 34930, 41916, 44910, 48902, 52395, 53892, 62874, 67365, 69860, 73353, 89820, 94311, 97804, 104790, 122255, 125748, 134730, 146706, 157185, 188622, 209580, 220059, 244510, 269460, 293412, 314370, 366765, 377244, 440118, 471555, 489020, 628740, 660177, 733530, 880236, 943110, 1100295, 1320354, 1467060, 1886220, 2200590, 2640708, 3300885, 4401180, 6601770, 13203540]

約数ペア:

[(1, 13203540), (2, 6601770), (3, 4401180), (4, 3300885), (5, 2640708), (6, 2200590), (7, 1886220), (9, 1467060), (10, 1320354), (12, 1100295), (14, 943110), (15, 880236), (18, 733530), (20, 660177), (21, 628740), (27, 489020), (28, 471555), (30, 440118), (35, 377244), (36, 366765), (42, 314370), (45, 293412), (49, 269460), (54, 244510), (60, 220059), (63, 209580), (70, 188622), (84, 157185), (90, 146706), (98, 134730), (105, 125748), (108, 122255), (126, 104790), (135, 97804), (140, 94311), (147, 89820), (180, 73353), (189, 69860), (196, 67365), (210, 62874), (245, 53892), (252, 52395), (270, 48902), (294, 44910), (315, 41916), (378, 34930), (420, 31437), (441, 29940), (490, 26946), (499, 26460), (540, 24451), (588, 22455), (630, 20958), (735, 17964), (756, 17465), (882, 14970), (945, 13972), (980, 13473), (998, 13230), (1260, 10479), (1323, 9980), (1470, 8982), (1497, 8820), (1764, 7485), (1890, 6986), (1996, 6615), (2205, 5988), (2495, 5292), (2646, 4990), (2940, 4491), (2994, 4410), (3493, 3780)]