288540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{229}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 1004640

約数和(自身を除く): 716100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 229, 252, 315, 420, 458, 630, 687, 916, 1145, 1260, 1374, 1603, 2061, 2290, 2748, 3206, 3435, 4122, 4580, 4809, 6412, 6870, 8015, 8244, 9618, 10305, 13740, 14427, 16030, 19236, 20610, 24045, 28854, 32060, 41220, 48090, 57708, 72135, 96180, 144270, 288540]

約数ペア:

[(1, 288540), (2, 144270), (3, 96180), (4, 72135), (5, 57708), (6, 48090), (7, 41220), (9, 32060), (10, 28854), (12, 24045), (14, 20610), (15, 19236), (18, 16030), (20, 14427), (21, 13740), (28, 10305), (30, 9618), (35, 8244), (36, 8015), (42, 6870), (45, 6412), (60, 4809), (63, 4580), (70, 4122), (84, 3435), (90, 3206), (105, 2748), (126, 2290), (140, 2061), (180, 1603), (210, 1374), (229, 1260), (252, 1145), (315, 916), (420, 687), (458, 630)]