18123480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 61387200

約数和(自身を除く): 43263720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 173, 180, 194, 216, 270, 291, 346, 360, 388, 485, 519, 540, 582, 692, 776, 865, 873, 970, 1038, 1080, 1164, 1384, 1455, 1557, 1730, 1746, 1940, 2076, 2328, 2595, 2619, 2910, 3114, 3460, 3492, 3880, 4152, 4365, 4671, 5190, 5238, 5820, 6228, 6920, 6984, 7785, 8730, 9342, 10380, 10476, 11640, 12456, 13095, 15570, 16781, 17460, 18684, 20760, 20952, 23355, 26190, 31140, 33562, 34920, 37368, 46710, 50343, 52380, 62280, 67124, 83905, 93420, 100686, 104760, 134248, 151029, 167810, 186840, 201372, 251715, 302058, 335620, 402744, 453087, 503430, 604116, 671240, 755145, 906174, 1006860, 1208232, 1510290, 1812348, 2013720, 2265435, 3020580, 3624696, 4530870, 6041160, 9061740, 18123480]

約数ペア:

[(1, 18123480), (2, 9061740), (3, 6041160), (4, 4530870), (5, 3624696), (6, 3020580), (8, 2265435), (9, 2013720), (10, 1812348), (12, 1510290), (15, 1208232), (18, 1006860), (20, 906174), (24, 755145), (27, 671240), (30, 604116), (36, 503430), (40, 453087), (45, 402744), (54, 335620), (60, 302058), (72, 251715), (90, 201372), (97, 186840), (108, 167810), (120, 151029), (135, 134248), (173, 104760), (180, 100686), (194, 93420), (216, 83905), (270, 67124), (291, 62280), (346, 52380), (360, 50343), (388, 46710), (485, 37368), (519, 34920), (540, 33562), (582, 31140), (692, 26190), (776, 23355), (865, 20952), (873, 20760), (970, 18684), (1038, 17460), (1080, 16781), (1164, 15570), (1384, 13095), (1455, 12456), (1557, 11640), (1730, 10476), (1746, 10380), (1940, 9342), (2076, 8730), (2328, 7785), (2595, 6984), (2619, 6920), (2910, 6228), (3114, 5820), (3460, 5238), (3492, 5190), (3880, 4671), (4152, 4365)]