261696690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 741888000

約数和(自身を除く): 480191310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 139, 171, 190, 270, 278, 285, 342, 367, 417, 513, 570, 695, 734, 834, 855, 1026, 1101, 1251, 1390, 1710, 1835, 2085, 2202, 2502, 2565, 2641, 3303, 3670, 3753, 4170, 5130, 5282, 5505, 6255, 6606, 6973, 7506, 7923, 9909, 11010, 12510, 13205, 13946, 15846, 16515, 18765, 19818, 20919, 23769, 26410, 33030, 34865, 37530, 39615, 41838, 47538, 49545, 51013, 62757, 69730, 71307, 79230, 99090, 102026, 104595, 118845, 125514, 142614, 153039, 188271, 209190, 237690, 255065, 306078, 313785, 356535, 376542, 459117, 510130, 627570, 713070, 765195, 918234, 941355, 969247, 1377351, 1530390, 1882710, 1938494, 2295585, 2754702, 2907741, 4591170, 4846235, 5815482, 6886755, 8723223, 9692470, 13773510, 14538705, 17446446, 26169669, 29077410, 43616115, 52339338, 87232230, 130848345, 261696690]

約数ペア:

[(1, 261696690), (2, 130848345), (3, 87232230), (5, 52339338), (6, 43616115), (9, 29077410), (10, 26169669), (15, 17446446), (18, 14538705), (19, 13773510), (27, 9692470), (30, 8723223), (38, 6886755), (45, 5815482), (54, 4846235), (57, 4591170), (90, 2907741), (95, 2754702), (114, 2295585), (135, 1938494), (139, 1882710), (171, 1530390), (190, 1377351), (270, 969247), (278, 941355), (285, 918234), (342, 765195), (367, 713070), (417, 627570), (513, 510130), (570, 459117), (695, 376542), (734, 356535), (834, 313785), (855, 306078), (1026, 255065), (1101, 237690), (1251, 209190), (1390, 188271), (1710, 153039), (1835, 142614), (2085, 125514), (2202, 118845), (2502, 104595), (2565, 102026), (2641, 99090), (3303, 79230), (3670, 71307), (3753, 69730), (4170, 62757), (5130, 51013), (5282, 49545), (5505, 47538), (6255, 41838), (6606, 39615), (6973, 37530), (7506, 34865), (7923, 33030), (9909, 26410), (11010, 23769), (12510, 20919), (13205, 19818), (13946, 18765), (15846, 16515)]