287409780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{228103}}^1$

素因数の和:228125

約数の個数: 72

約数和(自身を含む): 996358272

約数和(自身を除く): 708948492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 228103, 456206, 684309, 912412, 1140515, 1368618, 1596721, 2052927, 2281030, 2737236, 3193442, 3421545, 4105854, 4562060, 4790163, 6386884, 6843090, 7983605, 8211708, 9580326, 10264635, 13686180, 14370489, 15967210, 19160652, 20529270, 23950815, 28740978, 31934420, 41058540, 47901630, 57481956, 71852445, 95803260, 143704890, 287409780]

約数ペア:

[(1, 287409780), (2, 143704890), (3, 95803260), (4, 71852445), (5, 57481956), (6, 47901630), (7, 41058540), (9, 31934420), (10, 28740978), (12, 23950815), (14, 20529270), (15, 19160652), (18, 15967210), (20, 14370489), (21, 13686180), (28, 10264635), (30, 9580326), (35, 8211708), (36, 7983605), (42, 6843090), (45, 6386884), (60, 4790163), (63, 4562060), (70, 4105854), (84, 3421545), (90, 3193442), (105, 2737236), (126, 2281030), (140, 2052927), (180, 1596721), (210, 1368618), (252, 1140515), (315, 912412), (420, 684309), (630, 456206), (1260, 228103)]