7681140

素因数分解:

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

素因数の和:461

約数の個数: 72

約数和(自身を含む): 23543520

約数和(自身を除く): 15862380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 307, 417, 556, 614, 695, 834, 921, 1228, 1251, 1390, 1535, 1668, 1842, 2085, 2502, 2763, 2780, 3070, 3684, 4170, 4605, 5004, 5526, 6140, 6255, 8340, 9210, 11052, 12510, 13815, 18420, 25020, 27630, 42673, 55260, 85346, 128019, 170692, 213365, 256038, 384057, 426730, 512076, 640095, 768114, 853460, 1280190, 1536228, 1920285, 2560380, 3840570, 7681140]

約数ペア:

[(1, 7681140), (2, 3840570), (3, 2560380), (4, 1920285), (5, 1536228), (6, 1280190), (9, 853460), (10, 768114), (12, 640095), (15, 512076), (18, 426730), (20, 384057), (30, 256038), (36, 213365), (45, 170692), (60, 128019), (90, 85346), (139, 55260), (180, 42673), (278, 27630), (307, 25020), (417, 18420), (556, 13815), (614, 12510), (695, 11052), (834, 9210), (921, 8340), (1228, 6255), (1251, 6140), (1390, 5526), (1535, 5004), (1668, 4605), (1842, 4170), (2085, 3684), (2502, 3070), (2763, 2780)]