90271620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 285405120

約数和(自身を除く): 195133500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 107, 109, 129, 172, 180, 214, 215, 218, 258, 321, 327, 387, 428, 430, 436, 516, 535, 545, 642, 645, 654, 774, 860, 963, 981, 1070, 1090, 1284, 1290, 1308, 1548, 1605, 1635, 1926, 1935, 1962, 2140, 2180, 2580, 3210, 3270, 3852, 3870, 3924, 4601, 4687, 4815, 4905, 6420, 6540, 7740, 9202, 9374, 9630, 9810, 11663, 13803, 14061, 18404, 18748, 19260, 19620, 23005, 23326, 23435, 27606, 28122, 34989, 41409, 42183, 46010, 46652, 46870, 55212, 56244, 58315, 69015, 69978, 70305, 82818, 84366, 92020, 93740, 104967, 116630, 138030, 139956, 140610, 165636, 168732, 174945, 207045, 209934, 210915, 233260, 276060, 281220, 349890, 414090, 419868, 421830, 501509, 524835, 699780, 828180, 843660, 1003018, 1049670, 1504527, 2006036, 2099340, 2507545, 3009054, 4513581, 5015090, 6018108, 7522635, 9027162, 10030180, 15045270, 18054324, 22567905, 30090540, 45135810, 90271620]

約数ペア:

[(1, 90271620), (2, 45135810), (3, 30090540), (4, 22567905), (5, 18054324), (6, 15045270), (9, 10030180), (10, 9027162), (12, 7522635), (15, 6018108), (18, 5015090), (20, 4513581), (30, 3009054), (36, 2507545), (43, 2099340), (45, 2006036), (60, 1504527), (86, 1049670), (90, 1003018), (107, 843660), (109, 828180), (129, 699780), (172, 524835), (180, 501509), (214, 421830), (215, 419868), (218, 414090), (258, 349890), (321, 281220), (327, 276060), (387, 233260), (428, 210915), (430, 209934), (436, 207045), (516, 174945), (535, 168732), (545, 165636), (642, 140610), (645, 139956), (654, 138030), (774, 116630), (860, 104967), (963, 93740), (981, 92020), (1070, 84366), (1090, 82818), (1284, 70305), (1290, 69978), (1308, 69015), (1548, 58315), (1605, 56244), (1635, 55212), (1926, 46870), (1935, 46652), (1962, 46010), (2140, 42183), (2180, 41409), (2580, 34989), (3210, 28122), (3270, 27606), (3852, 23435), (3870, 23326), (3924, 23005), (4601, 19620), (4687, 19260), (4815, 18748), (4905, 18404), (6420, 14061), (6540, 13803), (7740, 11663), (9202, 9810), (9374, 9630)]