1816181520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{161009}}^1$

素因数の和:161072

約数の個数: 80

約数和(自身を含む): 5749989120

約数和(自身を除く): 3933807600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 161009, 322018, 483027, 644036, 805045, 966054, 1288072, 1610090, 1932108, 2415135, 2576144, 3220180, 3864216, 4830270, 6440360, 7567423, 7728432, 9660540, 12880720, 15134846, 19321080, 22702269, 30269692, 37837115, 38642160, 45404538, 60539384, 75674230, 90809076, 113511345, 121078768, 151348460, 181618152, 227022690, 302696920, 363236304, 454045380, 605393840, 908090760, 1816181520]

約数ペア:

[(1, 1816181520), (2, 908090760), (3, 605393840), (4, 454045380), (5, 363236304), (6, 302696920), (8, 227022690), (10, 181618152), (12, 151348460), (15, 121078768), (16, 113511345), (20, 90809076), (24, 75674230), (30, 60539384), (40, 45404538), (47, 38642160), (48, 37837115), (60, 30269692), (80, 22702269), (94, 19321080), (120, 15134846), (141, 12880720), (188, 9660540), (235, 7728432), (240, 7567423), (282, 6440360), (376, 4830270), (470, 3864216), (564, 3220180), (705, 2576144), (752, 2415135), (940, 1932108), (1128, 1610090), (1410, 1288072), (1880, 966054), (2256, 805045), (2820, 644036), (3760, 483027), (5640, 322018), (11280, 161009)]