18048720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 56424960

約数和(自身を除く): 38376240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 479, 628, 785, 942, 958, 1256, 1437, 1570, 1884, 1916, 2355, 2395, 2512, 2874, 3140, 3768, 3832, 4710, 4790, 5748, 6280, 7185, 7536, 7664, 9420, 9580, 11496, 12560, 14370, 18840, 19160, 22992, 28740, 37680, 38320, 57480, 75203, 114960, 150406, 225609, 300812, 376015, 451218, 601624, 752030, 902436, 1128045, 1203248, 1504060, 1804872, 2256090, 3008120, 3609744, 4512180, 6016240, 9024360, 18048720]

約数ペア:

[(1, 18048720), (2, 9024360), (3, 6016240), (4, 4512180), (5, 3609744), (6, 3008120), (8, 2256090), (10, 1804872), (12, 1504060), (15, 1203248), (16, 1128045), (20, 902436), (24, 752030), (30, 601624), (40, 451218), (48, 376015), (60, 300812), (80, 225609), (120, 150406), (157, 114960), (240, 75203), (314, 57480), (471, 38320), (479, 37680), (628, 28740), (785, 22992), (942, 19160), (958, 18840), (1256, 14370), (1437, 12560), (1570, 11496), (1884, 9580), (1916, 9420), (2355, 7664), (2395, 7536), (2512, 7185), (2874, 6280), (3140, 5748), (3768, 4790), (3832, 4710)]