278397360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12473}}^1$

素因数の和:12523

約数の個数: 120

約数和(自身を含む): 965188224

約数和(自身を除く): 686790864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 12473, 22320, 24946, 37419, 49892, 62365, 74838, 99784, 112257, 124730, 149676, 187095, 199568, 224514, 249460, 299352, 374190, 386663, 449028, 498920, 561285, 598704, 748380, 773326, 898056, 997840, 1122570, 1159989, 1496760, 1546652, 1796112, 1933315, 2245140, 2319978, 2993520, 3093304, 3479967, 3866630, 4490280, 4639956, 5799945, 6186608, 6959934, 7733260, 8980560, 9279912, 11599890, 13919868, 15466520, 17399835, 18559824, 23199780, 27839736, 30933040, 34799670, 46399560, 55679472, 69599340, 92799120, 139198680, 278397360]

約数ペア:

[(1, 278397360), (2, 139198680), (3, 92799120), (4, 69599340), (5, 55679472), (6, 46399560), (8, 34799670), (9, 30933040), (10, 27839736), (12, 23199780), (15, 18559824), (16, 17399835), (18, 15466520), (20, 13919868), (24, 11599890), (30, 9279912), (31, 8980560), (36, 7733260), (40, 6959934), (45, 6186608), (48, 5799945), (60, 4639956), (62, 4490280), (72, 3866630), (80, 3479967), (90, 3093304), (93, 2993520), (120, 2319978), (124, 2245140), (144, 1933315), (155, 1796112), (180, 1546652), (186, 1496760), (240, 1159989), (248, 1122570), (279, 997840), (310, 898056), (360, 773326), (372, 748380), (465, 598704), (496, 561285), (558, 498920), (620, 449028), (720, 386663), (744, 374190), (930, 299352), (1116, 249460), (1240, 224514), (1395, 199568), (1488, 187095), (1860, 149676), (2232, 124730), (2480, 112257), (2790, 99784), (3720, 74838), (4464, 62365), (5580, 49892), (7440, 37419), (11160, 24946), (12473, 22320)]