15715980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12473}}^1$

素因数の和:12495

約数の個数: 72

約数和(自身を含む): 54486432

約数和(自身を除く): 38770452

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, 12473, 24946, 37419, 49892, 62365, 74838, 87311, 112257, 124730, 149676, 174622, 187095, 224514, 249460, 261933, 349244, 374190, 436555, 449028, 523866, 561285, 748380, 785799, 873110, 1047732, 1122570, 1309665, 1571598, 1746220, 2245140, 2619330, 3143196, 3928995, 5238660, 7857990, 15715980]

約数ペア:

[(1, 15715980), (2, 7857990), (3, 5238660), (4, 3928995), (5, 3143196), (6, 2619330), (7, 2245140), (9, 1746220), (10, 1571598), (12, 1309665), (14, 1122570), (15, 1047732), (18, 873110), (20, 785799), (21, 748380), (28, 561285), (30, 523866), (35, 449028), (36, 436555), (42, 374190), (45, 349244), (60, 261933), (63, 249460), (70, 224514), (84, 187095), (90, 174622), (105, 149676), (126, 124730), (140, 112257), (180, 87311), (210, 74838), (252, 62365), (315, 49892), (420, 37419), (630, 24946), (1260, 12473)]