31091640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15241}}^1$

素因数の和:15272

約数の個数: 64

約数和(自身を含む): 98768160

約数和(自身を除く): 67676520

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, 15241, 30482, 45723, 60964, 76205, 91446, 121928, 152410, 182892, 228615, 259097, 304820, 365784, 457230, 518194, 609640, 777291, 914460, 1036388, 1295485, 1554582, 1828920, 2072776, 2590970, 3109164, 3886455, 5181940, 6218328, 7772910, 10363880, 15545820, 31091640]

約数ペア:

[(1, 31091640), (2, 15545820), (3, 10363880), (4, 7772910), (5, 6218328), (6, 5181940), (8, 3886455), (10, 3109164), (12, 2590970), (15, 2072776), (17, 1828920), (20, 1554582), (24, 1295485), (30, 1036388), (34, 914460), (40, 777291), (51, 609640), (60, 518194), (68, 457230), (85, 365784), (102, 304820), (120, 259097), (136, 228615), (170, 182892), (204, 152410), (255, 121928), (340, 91446), (408, 76205), (510, 60964), (680, 45723), (1020, 30482), (2040, 15241)]