79993890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30649}}^1$

素因数の和:30691

約数の個数: 48

約数和(自身を含む): 215163000

約数和(自身を除く): 135169110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 30649, 61298, 91947, 153245, 183894, 275841, 306490, 459735, 551682, 888821, 919470, 1379205, 1777642, 2666463, 2758410, 4444105, 5332926, 7999389, 8888210, 13332315, 15998778, 26664630, 39996945, 79993890]

約数ペア:

[(1, 79993890), (2, 39996945), (3, 26664630), (5, 15998778), (6, 13332315), (9, 8888210), (10, 7999389), (15, 5332926), (18, 4444105), (29, 2758410), (30, 2666463), (45, 1777642), (58, 1379205), (87, 919470), (90, 888821), (145, 551682), (174, 459735), (261, 306490), (290, 275841), (435, 183894), (522, 153245), (870, 91947), (1305, 61298), (2610, 30649)]