7889747940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2578349}}^1$

素因数の和:2578381

約数の個数: 72

約数和(自身を含む): 25340023800

約数和(自身を除く): 17450275860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 2578349, 5156698, 7735047, 10313396, 12891745, 15470094, 23205141, 25783490, 30940188, 38675235, 43831933, 46410282, 51566980, 77350470, 87663866, 92820564, 116025705, 131495799, 154700940, 175327732, 219159665, 232051410, 262991598, 394487397, 438319330, 464102820, 525983196, 657478995, 788974794, 876638660, 1314957990, 1577949588, 1972436985, 2629915980, 3944873970, 7889747940]

約数ペア:

[(1, 7889747940), (2, 3944873970), (3, 2629915980), (4, 1972436985), (5, 1577949588), (6, 1314957990), (9, 876638660), (10, 788974794), (12, 657478995), (15, 525983196), (17, 464102820), (18, 438319330), (20, 394487397), (30, 262991598), (34, 232051410), (36, 219159665), (45, 175327732), (51, 154700940), (60, 131495799), (68, 116025705), (85, 92820564), (90, 87663866), (102, 77350470), (153, 51566980), (170, 46410282), (180, 43831933), (204, 38675235), (255, 30940188), (306, 25783490), (340, 23205141), (510, 15470094), (612, 12891745), (765, 10313396), (1020, 7735047), (1530, 5156698), (3060, 2578349)]