18480240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25667}}^1$

素因数の和:25686

約数の個数: 60

約数和(自身を含む): 62065224

約数和(自身を除く): 43584984

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, 25667, 51334, 77001, 102668, 128335, 154002, 205336, 231003, 256670, 308004, 385005, 410672, 462006, 513340, 616008, 770010, 924012, 1026680, 1155015, 1232016, 1540020, 1848024, 2053360, 2310030, 3080040, 3696048, 4620060, 6160080, 9240120, 18480240]

約数ペア:

[(1, 18480240), (2, 9240120), (3, 6160080), (4, 4620060), (5, 3696048), (6, 3080040), (8, 2310030), (9, 2053360), (10, 1848024), (12, 1540020), (15, 1232016), (16, 1155015), (18, 1026680), (20, 924012), (24, 770010), (30, 616008), (36, 513340), (40, 462006), (45, 410672), (48, 385005), (60, 308004), (72, 256670), (80, 231003), (90, 205336), (120, 154002), (144, 128335), (180, 102668), (240, 77001), (360, 51334), (720, 25667)]