15421140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12239}}^1$

素因数の和:12261

約数の個数: 72

約数和(自身を含む): 53464320

約数和(自身を除く): 38043180

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, 252, 315, 420, 630, 1260, 12239, 24478, 36717, 48956, 61195, 73434, 85673, 110151, 122390, 146868, 171346, 183585, 220302, 244780, 257019, 342692, 367170, 428365, 440604, 514038, 550755, 734340, 771057, 856730, 1028076, 1101510, 1285095, 1542114, 1713460, 2203020, 2570190, 3084228, 3855285, 5140380, 7710570, 15421140]

約数ペア:

[(1, 15421140), (2, 7710570), (3, 5140380), (4, 3855285), (5, 3084228), (6, 2570190), (7, 2203020), (9, 1713460), (10, 1542114), (12, 1285095), (14, 1101510), (15, 1028076), (18, 856730), (20, 771057), (21, 734340), (28, 550755), (30, 514038), (35, 440604), (36, 428365), (42, 367170), (45, 342692), (60, 257019), (63, 244780), (70, 220302), (84, 183585), (90, 171346), (105, 146868), (126, 122390), (140, 110151), (180, 85673), (210, 73434), (252, 61195), (315, 48956), (420, 36717), (630, 24478), (1260, 12239)]