72721880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3373}}^1$

素因数の和:3409

約数の個数: 96

約数和(自身を含む): 207703440

約数和(自身を除く): 134981560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 3373, 4312, 5390, 6746, 10780, 13492, 16865, 21560, 23611, 26984, 33730, 37103, 47222, 67460, 74206, 94444, 118055, 134920, 148412, 165277, 185515, 188888, 236110, 259721, 296824, 330554, 371030, 472220, 519442, 661108, 742060, 826385, 944440, 1038884, 1298605, 1322216, 1484120, 1652770, 1818047, 2077768, 2597210, 3305540, 3636094, 5194420, 6611080, 7272188, 9090235, 10388840, 14544376, 18180470, 36360940, 72721880]

約数ペア:

[(1, 72721880), (2, 36360940), (4, 18180470), (5, 14544376), (7, 10388840), (8, 9090235), (10, 7272188), (11, 6611080), (14, 5194420), (20, 3636094), (22, 3305540), (28, 2597210), (35, 2077768), (40, 1818047), (44, 1652770), (49, 1484120), (55, 1322216), (56, 1298605), (70, 1038884), (77, 944440), (88, 826385), (98, 742060), (110, 661108), (140, 519442), (154, 472220), (196, 371030), (220, 330554), (245, 296824), (280, 259721), (308, 236110), (385, 188888), (392, 185515), (440, 165277), (490, 148412), (539, 134920), (616, 118055), (770, 94444), (980, 74206), (1078, 67460), (1540, 47222), (1960, 37103), (2156, 33730), (2695, 26984), (3080, 23611), (3373, 21560), (4312, 16865), (5390, 13492), (6746, 10780)]