77124040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 214998300

約数和(自身を除く): 137874260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 109, 133, 140, 152, 190, 196, 218, 245, 266, 280, 361, 380, 392, 436, 490, 532, 545, 665, 722, 760, 763, 872, 931, 980, 1064, 1090, 1330, 1444, 1526, 1805, 1862, 1960, 2071, 2180, 2527, 2660, 2888, 3052, 3610, 3724, 3815, 4142, 4360, 4655, 5054, 5320, 5341, 6104, 7220, 7448, 7630, 8284, 9310, 10108, 10355, 10682, 12635, 14440, 14497, 15260, 16568, 17689, 18620, 20216, 20710, 21364, 25270, 26705, 28994, 30520, 35378, 37240, 39349, 41420, 42728, 50540, 53410, 57988, 70756, 72485, 78698, 82840, 88445, 101080, 101479, 106820, 115976, 141512, 144970, 157396, 176890, 196745, 202958, 213640, 275443, 289940, 314792, 353780, 393490, 405916, 507395, 550886, 579880, 707560, 786980, 811832, 1014790, 1101772, 1377215, 1573960, 1928101, 2029580, 2203544, 2754430, 3856202, 4059160, 5508860, 7712404, 9640505, 11017720, 15424808, 19281010, 38562020, 77124040]

約数ペア:

[(1, 77124040), (2, 38562020), (4, 19281010), (5, 15424808), (7, 11017720), (8, 9640505), (10, 7712404), (14, 5508860), (19, 4059160), (20, 3856202), (28, 2754430), (35, 2203544), (38, 2029580), (40, 1928101), (49, 1573960), (56, 1377215), (70, 1101772), (76, 1014790), (95, 811832), (98, 786980), (109, 707560), (133, 579880), (140, 550886), (152, 507395), (190, 405916), (196, 393490), (218, 353780), (245, 314792), (266, 289940), (280, 275443), (361, 213640), (380, 202958), (392, 196745), (436, 176890), (490, 157396), (532, 144970), (545, 141512), (665, 115976), (722, 106820), (760, 101479), (763, 101080), (872, 88445), (931, 82840), (980, 78698), (1064, 72485), (1090, 70756), (1330, 57988), (1444, 53410), (1526, 50540), (1805, 42728), (1862, 41420), (1960, 39349), (2071, 37240), (2180, 35378), (2527, 30520), (2660, 28994), (2888, 26705), (3052, 25270), (3610, 21364), (3724, 20710), (3815, 20216), (4142, 18620), (4360, 17689), (4655, 16568), (5054, 15260), (5320, 14497), (5341, 14440), (6104, 12635), (7220, 10682), (7448, 10355), (7630, 10108), (8284, 9310)]