18450720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4271}}^1$

素因数の和:4295

約数の個数: 96

約数和(自身を含む): 64592640

約数和(自身を除く): 46141920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4271, 4320, 8542, 12813, 17084, 21355, 25626, 34168, 38439, 42710, 51252, 64065, 68336, 76878, 85420, 102504, 115317, 128130, 136672, 153756, 170840, 192195, 205008, 230634, 256260, 307512, 341680, 384390, 410016, 461268, 512520, 576585, 615024, 683360, 768780, 922536, 1025040, 1153170, 1230048, 1537560, 1845072, 2050080, 2306340, 3075120, 3690144, 4612680, 6150240, 9225360, 18450720]

約数ペア:

[(1, 18450720), (2, 9225360), (3, 6150240), (4, 4612680), (5, 3690144), (6, 3075120), (8, 2306340), (9, 2050080), (10, 1845072), (12, 1537560), (15, 1230048), (16, 1153170), (18, 1025040), (20, 922536), (24, 768780), (27, 683360), (30, 615024), (32, 576585), (36, 512520), (40, 461268), (45, 410016), (48, 384390), (54, 341680), (60, 307512), (72, 256260), (80, 230634), (90, 205008), (96, 192195), (108, 170840), (120, 153756), (135, 136672), (144, 128130), (160, 115317), (180, 102504), (216, 85420), (240, 76878), (270, 68336), (288, 64065), (360, 51252), (432, 42710), (480, 38439), (540, 34168), (720, 25626), (864, 21355), (1080, 17084), (1440, 12813), (2160, 8542), (4271, 4320)]