138720060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256889}}^1$

素因数の和:256907

約数の個数: 48

約数和(自身を含む): 431575200

約数和(自身を除く): 292855140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 256889, 513778, 770667, 1027556, 1284445, 1541334, 2312001, 2568890, 3082668, 3853335, 4624002, 5137780, 6936003, 7706670, 9248004, 11560005, 13872006, 15413340, 23120010, 27744012, 34680015, 46240020, 69360030, 138720060]

約数ペア:

[(1, 138720060), (2, 69360030), (3, 46240020), (4, 34680015), (5, 27744012), (6, 23120010), (9, 15413340), (10, 13872006), (12, 11560005), (15, 9248004), (18, 7706670), (20, 6936003), (27, 5137780), (30, 4624002), (36, 3853335), (45, 3082668), (54, 2568890), (60, 2312001), (90, 1541334), (108, 1284445), (135, 1027556), (180, 770667), (270, 513778), (540, 256889)]