381880260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15263}}^1$

素因数の和:15417

約数の個数: 72

約数和(自身を含む): 1166780160

約数和(自身を除く): 784899900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 15263, 25020, 30526, 45789, 61052, 76315, 91578, 137367, 152630, 183156, 228945, 274734, 305260, 457890, 549468, 686835, 915780, 1373670, 2121557, 2747340, 4243114, 6364671, 8486228, 10607785, 12729342, 19094013, 21215570, 25458684, 31823355, 38188026, 42431140, 63646710, 76376052, 95470065, 127293420, 190940130, 381880260]

約数ペア:

[(1, 381880260), (2, 190940130), (3, 127293420), (4, 95470065), (5, 76376052), (6, 63646710), (9, 42431140), (10, 38188026), (12, 31823355), (15, 25458684), (18, 21215570), (20, 19094013), (30, 12729342), (36, 10607785), (45, 8486228), (60, 6364671), (90, 4243114), (139, 2747340), (180, 2121557), (278, 1373670), (417, 915780), (556, 686835), (695, 549468), (834, 457890), (1251, 305260), (1390, 274734), (1668, 228945), (2085, 183156), (2502, 152630), (2780, 137367), (4170, 91578), (5004, 76315), (6255, 61052), (8340, 45789), (12510, 30526), (15263, 25020)]