56851515

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 128044800

約数和(自身を除く): 71193285

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 23, 35, 45, 49, 57, 59, 63, 69, 95, 105, 115, 133, 147, 161, 171, 177, 207, 245, 285, 295, 315, 345, 399, 413, 437, 441, 483, 531, 665, 735, 805, 855, 885, 931, 1035, 1121, 1127, 1197, 1239, 1311, 1357, 1449, 1995, 2065, 2185, 2205, 2415, 2655, 2793, 2891, 3059, 3363, 3381, 3717, 3933, 4071, 4655, 5605, 5635, 5985, 6195, 6555, 6785, 7245, 7847, 8379, 8673, 9177, 9499, 10089, 10143, 12213, 13965, 14455, 15295, 16815, 16905, 18585, 19665, 20355, 21413, 23541, 25783, 26019, 27531, 28497, 39235, 41895, 43365, 45885, 47495, 50445, 50715, 54929, 61065, 64239, 66493, 70623, 77349, 85491, 107065, 117705, 128915, 130095, 137655, 142485, 164787, 180481, 192717, 199479, 232047, 274645, 321195, 332465, 353115, 386745, 427455, 494361, 541443, 598437, 823935, 902405, 963585, 997395, 1160235, 1263367, 1624329, 2471805, 2707215, 2992185, 3790101, 6316835, 8121645, 11370303, 18950505, 56851515]

約数ペア:

[(1, 56851515), (3, 18950505), (5, 11370303), (7, 8121645), (9, 6316835), (15, 3790101), (19, 2992185), (21, 2707215), (23, 2471805), (35, 1624329), (45, 1263367), (49, 1160235), (57, 997395), (59, 963585), (63, 902405), (69, 823935), (95, 598437), (105, 541443), (115, 494361), (133, 427455), (147, 386745), (161, 353115), (171, 332465), (177, 321195), (207, 274645), (245, 232047), (285, 199479), (295, 192717), (315, 180481), (345, 164787), (399, 142485), (413, 137655), (437, 130095), (441, 128915), (483, 117705), (531, 107065), (665, 85491), (735, 77349), (805, 70623), (855, 66493), (885, 64239), (931, 61065), (1035, 54929), (1121, 50715), (1127, 50445), (1197, 47495), (1239, 45885), (1311, 43365), (1357, 41895), (1449, 39235), (1995, 28497), (2065, 27531), (2185, 26019), (2205, 25783), (2415, 23541), (2655, 21413), (2793, 20355), (2891, 19665), (3059, 18585), (3363, 16905), (3381, 16815), (3717, 15295), (3933, 14455), (4071, 13965), (4655, 12213), (5605, 10143), (5635, 10089), (5985, 9499), (6195, 9177), (6555, 8673), (6785, 8379), (7245, 7847)]