122163920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 301320000

約数和(自身を除く): 179156080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 179, 190, 304, 358, 380, 449, 716, 760, 895, 898, 1432, 1520, 1790, 1796, 2245, 2864, 3401, 3580, 3592, 4490, 6802, 7160, 7184, 8531, 8980, 13604, 14320, 17005, 17062, 17960, 27208, 34010, 34124, 35920, 42655, 54416, 68020, 68248, 80371, 85310, 136040, 136496, 160742, 170620, 272080, 321484, 341240, 401855, 642968, 682480, 803710, 1285936, 1527049, 1607420, 3054098, 3214840, 6108196, 6429680, 7635245, 12216392, 15270490, 24432784, 30540980, 61081960, 122163920]

約数ペア:

[(1, 122163920), (2, 61081960), (4, 30540980), (5, 24432784), (8, 15270490), (10, 12216392), (16, 7635245), (19, 6429680), (20, 6108196), (38, 3214840), (40, 3054098), (76, 1607420), (80, 1527049), (95, 1285936), (152, 803710), (179, 682480), (190, 642968), (304, 401855), (358, 341240), (380, 321484), (449, 272080), (716, 170620), (760, 160742), (895, 136496), (898, 136040), (1432, 85310), (1520, 80371), (1790, 68248), (1796, 68020), (2245, 54416), (2864, 42655), (3401, 35920), (3580, 34124), (3592, 34010), (4490, 27208), (6802, 17960), (7160, 17062), (7184, 17005), (8531, 14320), (8980, 13604)]