25161780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 56123340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 431, 556, 695, 834, 862, 973, 1293, 1390, 1668, 1724, 1946, 2085, 2155, 2586, 2780, 2919, 3017, 3892, 4170, 4310, 4865, 5172, 5838, 6034, 6465, 8340, 8620, 9051, 9730, 11676, 12068, 12930, 14595, 15085, 18102, 19460, 25860, 29190, 30170, 36204, 45255, 58380, 59909, 60340, 90510, 119818, 179727, 181020, 239636, 299545, 359454, 419363, 599090, 718908, 838726, 898635, 1198180, 1258089, 1677452, 1797270, 2096815, 2516178, 3594540, 4193630, 5032356, 6290445, 8387260, 12580890, 25161780]

約数ペア:

[(1, 25161780), (2, 12580890), (3, 8387260), (4, 6290445), (5, 5032356), (6, 4193630), (7, 3594540), (10, 2516178), (12, 2096815), (14, 1797270), (15, 1677452), (20, 1258089), (21, 1198180), (28, 898635), (30, 838726), (35, 718908), (42, 599090), (60, 419363), (70, 359454), (84, 299545), (105, 239636), (139, 181020), (140, 179727), (210, 119818), (278, 90510), (417, 60340), (420, 59909), (431, 58380), (556, 45255), (695, 36204), (834, 30170), (862, 29190), (973, 25860), (1293, 19460), (1390, 18102), (1668, 15085), (1724, 14595), (1946, 12930), (2085, 12068), (2155, 11676), (2586, 9730), (2780, 9051), (2919, 8620), (3017, 8340), (3892, 6465), (4170, 6034), (4310, 5838), (4865, 5172)]