18539280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{2861}}^1$

素因数の和:2886

約数の個数: 100

約数和(自身を含む): 64412172

約数和(自身を除く): 45872892

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 2861, 3240, 5722, 6480, 8583, 11444, 14305, 17166, 22888, 25749, 28610, 34332, 42915, 45776, 51498, 57220, 68664, 77247, 85830, 102996, 114440, 128745, 137328, 154494, 171660, 205992, 228880, 231741, 257490, 308988, 343320, 386235, 411984, 463482, 514980, 617976, 686640, 772470, 926964, 1029960, 1158705, 1235952, 1544940, 1853928, 2059920, 2317410, 3089880, 3707856, 4634820, 6179760, 9269640, 18539280]

約数ペア:

[(1, 18539280), (2, 9269640), (3, 6179760), (4, 4634820), (5, 3707856), (6, 3089880), (8, 2317410), (9, 2059920), (10, 1853928), (12, 1544940), (15, 1235952), (16, 1158705), (18, 1029960), (20, 926964), (24, 772470), (27, 686640), (30, 617976), (36, 514980), (40, 463482), (45, 411984), (48, 386235), (54, 343320), (60, 308988), (72, 257490), (80, 231741), (81, 228880), (90, 205992), (108, 171660), (120, 154494), (135, 137328), (144, 128745), (162, 114440), (180, 102996), (216, 85830), (240, 77247), (270, 68664), (324, 57220), (360, 51498), (405, 45776), (432, 42915), (540, 34332), (648, 28610), (720, 25749), (810, 22888), (1080, 17166), (1296, 14305), (1620, 11444), (2160, 8583), (2861, 6480), (3240, 5722)]