15984420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15671}}^1$

素因数の和:15700

約数の個数: 48

約数和(自身を含む): 47392128

約数和(自身を除く): 31407708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 15671, 31342, 47013, 62684, 78355, 94026, 156710, 188052, 235065, 266407, 313420, 470130, 532814, 799221, 940260, 1065628, 1332035, 1598442, 2664070, 3196884, 3996105, 5328140, 7992210, 15984420]

約数ペア:

[(1, 15984420), (2, 7992210), (3, 5328140), (4, 3996105), (5, 3196884), (6, 2664070), (10, 1598442), (12, 1332035), (15, 1065628), (17, 940260), (20, 799221), (30, 532814), (34, 470130), (51, 313420), (60, 266407), (68, 235065), (85, 188052), (102, 156710), (170, 94026), (204, 78355), (255, 62684), (340, 47013), (510, 31342), (1020, 15671)]