81747390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1917

約数の個数: 64

約数和(自身を含む): 210185280

約数和(自身を除く): 128437890

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 89, 102, 170, 178, 255, 267, 445, 510, 534, 890, 1335, 1513, 1801, 2670, 3026, 3602, 4539, 5403, 7565, 9005, 9078, 10806, 15130, 18010, 22695, 27015, 30617, 45390, 54030, 61234, 91851, 153085, 160289, 183702, 306170, 320578, 459255, 480867, 801445, 918510, 961734, 1602890, 2404335, 2724913, 4808670, 5449826, 8174739, 13624565, 16349478, 27249130, 40873695, 81747390]

約数ペア:

[(1, 81747390), (2, 40873695), (3, 27249130), (5, 16349478), (6, 13624565), (10, 8174739), (15, 5449826), (17, 4808670), (30, 2724913), (34, 2404335), (51, 1602890), (85, 961734), (89, 918510), (102, 801445), (170, 480867), (178, 459255), (255, 320578), (267, 306170), (445, 183702), (510, 160289), (534, 153085), (890, 91851), (1335, 61234), (1513, 54030), (1801, 45390), (2670, 30617), (3026, 27015), (3602, 22695), (4539, 18010), (5403, 15130), (7565, 10806), (9005, 9078)]