138720240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192667}}^1$

素因数の和:192686

約数の個数: 60

約数和(自身を含む): 465871224

約数和(自身を除く): 327150984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192667, 385334, 578001, 770668, 963335, 1156002, 1541336, 1734003, 1926670, 2312004, 2890005, 3082672, 3468006, 3853340, 4624008, 5780010, 6936012, 7706680, 8670015, 9248016, 11560020, 13872024, 15413360, 17340030, 23120040, 27744048, 34680060, 46240080, 69360120, 138720240]

約数ペア:

[(1, 138720240), (2, 69360120), (3, 46240080), (4, 34680060), (5, 27744048), (6, 23120040), (8, 17340030), (9, 15413360), (10, 13872024), (12, 11560020), (15, 9248016), (16, 8670015), (18, 7706680), (20, 6936012), (24, 5780010), (30, 4624008), (36, 3853340), (40, 3468006), (45, 3082672), (48, 2890005), (60, 2312004), (72, 1926670), (80, 1734003), (90, 1541336), (120, 1156002), (144, 963335), (180, 770668), (240, 578001), (360, 385334), (720, 192667)]