316890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{503}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 943488

約数和(自身を除く): 626598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 503, 630, 1006, 1509, 2515, 3018, 3521, 4527, 5030, 7042, 7545, 9054, 10563, 15090, 17605, 21126, 22635, 31689, 35210, 45270, 52815, 63378, 105630, 158445, 316890]

約数ペア:

[(1, 316890), (2, 158445), (3, 105630), (5, 63378), (6, 52815), (7, 45270), (9, 35210), (10, 31689), (14, 22635), (15, 21126), (18, 17605), (21, 15090), (30, 10563), (35, 9054), (42, 7545), (45, 7042), (63, 5030), (70, 4527), (90, 3521), (105, 3018), (126, 2515), (210, 1509), (315, 1006), (503, 630)]