15458220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 47274864

約数和(自身を除く): 31816644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 547, 628, 785, 942, 1094, 1413, 1570, 1641, 1884, 2188, 2355, 2735, 2826, 3140, 3282, 4710, 4923, 5470, 5652, 6564, 7065, 8205, 9420, 9846, 10940, 14130, 16410, 19692, 24615, 28260, 32820, 49230, 85879, 98460, 171758, 257637, 343516, 429395, 515274, 772911, 858790, 1030548, 1288185, 1545822, 1717580, 2576370, 3091644, 3864555, 5152740, 7729110, 15458220]

約数ペア:

[(1, 15458220), (2, 7729110), (3, 5152740), (4, 3864555), (5, 3091644), (6, 2576370), (9, 1717580), (10, 1545822), (12, 1288185), (15, 1030548), (18, 858790), (20, 772911), (30, 515274), (36, 429395), (45, 343516), (60, 257637), (90, 171758), (157, 98460), (180, 85879), (314, 49230), (471, 32820), (547, 28260), (628, 24615), (785, 19692), (942, 16410), (1094, 14130), (1413, 10940), (1570, 9846), (1641, 9420), (1884, 8205), (2188, 7065), (2355, 6564), (2735, 5652), (2826, 5470), (3140, 4923), (3282, 4710)]