1280190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 3104640

約数和(自身を除く): 1824450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 307, 417, 614, 695, 834, 921, 1390, 1535, 1842, 2085, 3070, 4170, 4605, 9210, 42673, 85346, 128019, 213365, 256038, 426730, 640095, 1280190]

約数ペア:

[(1, 1280190), (2, 640095), (3, 426730), (5, 256038), (6, 213365), (10, 128019), (15, 85346), (30, 42673), (139, 9210), (278, 4605), (307, 4170), (417, 3070), (614, 2085), (695, 1842), (834, 1535), (921, 1390)]