18240780240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25334417}}^1$

素因数の和:25334436

約数の個数: 60

約数和(自身を含む): 61258622724

約数和(自身を除く): 43017842484

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, 25334417, 50668834, 76003251, 101337668, 126672085, 152006502, 202675336, 228009753, 253344170, 304013004, 380016255, 405350672, 456019506, 506688340, 608026008, 760032510, 912039012, 1013376680, 1140048765, 1216052016, 1520065020, 1824078024, 2026753360, 2280097530, 3040130040, 3648156048, 4560195060, 6080260080, 9120390120, 18240780240]

約数ペア:

[(1, 18240780240), (2, 9120390120), (3, 6080260080), (4, 4560195060), (5, 3648156048), (6, 3040130040), (8, 2280097530), (9, 2026753360), (10, 1824078024), (12, 1520065020), (15, 1216052016), (16, 1140048765), (18, 1013376680), (20, 912039012), (24, 760032510), (30, 608026008), (36, 506688340), (40, 456019506), (45, 405350672), (48, 380016255), (60, 304013004), (72, 253344170), (80, 228009753), (90, 202675336), (120, 152006502), (144, 126672085), (180, 101337668), (240, 76003251), (360, 50668834), (720, 25334417)]