18660060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 57330000

約数和(自身を除く): 38669940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1249, 1494, 1660, 2490, 2498, 2988, 3735, 3747, 4980, 4996, 6245, 7470, 7494, 11241, 12490, 14940, 14988, 18735, 22482, 24980, 37470, 44964, 56205, 74940, 103667, 112410, 207334, 224820, 311001, 414668, 518335, 622002, 933003, 1036670, 1244004, 1555005, 1866006, 2073340, 3110010, 3732012, 4665015, 6220020, 9330030, 18660060]

約数ペア:

[(1, 18660060), (2, 9330030), (3, 6220020), (4, 4665015), (5, 3732012), (6, 3110010), (9, 2073340), (10, 1866006), (12, 1555005), (15, 1244004), (18, 1036670), (20, 933003), (30, 622002), (36, 518335), (45, 414668), (60, 311001), (83, 224820), (90, 207334), (166, 112410), (180, 103667), (249, 74940), (332, 56205), (415, 44964), (498, 37470), (747, 24980), (830, 22482), (996, 18735), (1245, 14988), (1249, 14940), (1494, 12490), (1660, 11241), (2490, 7494), (2498, 7470), (2988, 6245), (3735, 4996), (3747, 4980)]