31923960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15649}}^1$

素因数の和:15680

約数の個数: 64

約数和(自身を含む): 101412000

約数和(自身を除く): 69488040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15649, 31298, 46947, 62596, 78245, 93894, 125192, 156490, 187788, 234735, 266033, 312980, 375576, 469470, 532066, 625960, 798099, 938940, 1064132, 1330165, 1596198, 1877880, 2128264, 2660330, 3192396, 3990495, 5320660, 6384792, 7980990, 10641320, 15961980, 31923960]

約数ペア:

[(1, 31923960), (2, 15961980), (3, 10641320), (4, 7980990), (5, 6384792), (6, 5320660), (8, 3990495), (10, 3192396), (12, 2660330), (15, 2128264), (17, 1877880), (20, 1596198), (24, 1330165), (30, 1064132), (34, 938940), (40, 798099), (51, 625960), (60, 532066), (68, 469470), (85, 375576), (102, 312980), (120, 266033), (136, 234735), (170, 187788), (204, 156490), (255, 125192), (340, 93894), (408, 78245), (510, 62596), (680, 46947), (1020, 31298), (2040, 15649)]