18355120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 49550400

約数和(自身を除く): 31195280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 449, 511, 560, 584, 730, 898, 1022, 1168, 1460, 1796, 2044, 2245, 2555, 2920, 3143, 3592, 4088, 4490, 5110, 5840, 6286, 7184, 8176, 8980, 10220, 12572, 15715, 17960, 20440, 25144, 31430, 32777, 35920, 40880, 50288, 62860, 65554, 125720, 131108, 163885, 229439, 251440, 262216, 327770, 458878, 524432, 655540, 917756, 1147195, 1311080, 1835512, 2294390, 2622160, 3671024, 4588780, 9177560, 18355120]

約数ペア:

[(1, 18355120), (2, 9177560), (4, 4588780), (5, 3671024), (7, 2622160), (8, 2294390), (10, 1835512), (14, 1311080), (16, 1147195), (20, 917756), (28, 655540), (35, 524432), (40, 458878), (56, 327770), (70, 262216), (73, 251440), (80, 229439), (112, 163885), (140, 131108), (146, 125720), (280, 65554), (292, 62860), (365, 50288), (449, 40880), (511, 35920), (560, 32777), (584, 31430), (730, 25144), (898, 20440), (1022, 17960), (1168, 15715), (1460, 12572), (1796, 10220), (2044, 8980), (2245, 8176), (2555, 7184), (2920, 6286), (3143, 5840), (3592, 5110), (4088, 4490)]