77027440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 205843968

約数和(自身を除く): 128816528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 523, 526, 560, 1046, 1052, 1315, 1841, 2092, 2104, 2615, 2630, 3661, 3682, 4184, 4208, 5230, 5260, 7322, 7364, 8368, 9205, 10460, 10520, 14644, 14728, 18305, 18410, 20920, 21040, 29288, 29456, 36610, 36820, 41840, 58576, 73220, 73640, 137549, 146440, 147280, 275098, 292880, 550196, 687745, 962843, 1100392, 1375490, 1925686, 2200784, 2750980, 3851372, 4814215, 5501960, 7702744, 9628430, 11003920, 15405488, 19256860, 38513720, 77027440]

約数ペア:

[(1, 77027440), (2, 38513720), (4, 19256860), (5, 15405488), (7, 11003920), (8, 9628430), (10, 7702744), (14, 5501960), (16, 4814215), (20, 3851372), (28, 2750980), (35, 2200784), (40, 1925686), (56, 1375490), (70, 1100392), (80, 962843), (112, 687745), (140, 550196), (263, 292880), (280, 275098), (523, 147280), (526, 146440), (560, 137549), (1046, 73640), (1052, 73220), (1315, 58576), (1841, 41840), (2092, 36820), (2104, 36610), (2615, 29456), (2630, 29288), (3661, 21040), (3682, 20920), (4184, 18410), (4208, 18305), (5230, 14728), (5260, 14644), (7322, 10520), (7364, 10460), (8368, 9205)]