16678920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 50466240

約数和(自身を除く): 33787320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1061, 1310, 1572, 1965, 2122, 2620, 3144, 3183, 3930, 4244, 5240, 5305, 6366, 7860, 8488, 10610, 12732, 15720, 15915, 21220, 25464, 31830, 42440, 63660, 127320, 138991, 277982, 416973, 555964, 694955, 833946, 1111928, 1389910, 1667892, 2084865, 2779820, 3335784, 4169730, 5559640, 8339460, 16678920]

約数ペア:

[(1, 16678920), (2, 8339460), (3, 5559640), (4, 4169730), (5, 3335784), (6, 2779820), (8, 2084865), (10, 1667892), (12, 1389910), (15, 1111928), (20, 833946), (24, 694955), (30, 555964), (40, 416973), (60, 277982), (120, 138991), (131, 127320), (262, 63660), (393, 42440), (524, 31830), (655, 25464), (786, 21220), (1048, 15915), (1061, 15720), (1310, 12732), (1572, 10610), (1965, 8488), (2122, 7860), (2620, 6366), (3144, 5305), (3183, 5240), (3930, 4244)]