120815680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 112

約数和(自身を含む): 313090560

約数和(自身を除く): 192274880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 641, 760, 992, 1178, 1216, 1240, 1282, 1520, 1984, 2356, 2480, 2564, 2945, 3040, 3205, 4712, 4960, 5128, 5890, 6080, 6410, 9424, 9920, 10256, 11780, 12179, 12820, 18848, 19871, 20512, 23560, 24358, 25640, 37696, 39742, 41024, 47120, 48716, 51280, 60895, 79484, 94240, 97432, 99355, 102560, 121790, 158968, 188480, 194864, 198710, 205120, 243580, 317936, 377549, 389728, 397420, 487160, 635872, 755098, 779456, 794840, 974320, 1271744, 1510196, 1589680, 1887745, 1948640, 3020392, 3179360, 3775490, 3897280, 6040784, 6358720, 7550980, 12081568, 15101960, 24163136, 30203920, 60407840, 120815680]

約数ペア:

[(1, 120815680), (2, 60407840), (4, 30203920), (5, 24163136), (8, 15101960), (10, 12081568), (16, 7550980), (19, 6358720), (20, 6040784), (31, 3897280), (32, 3775490), (38, 3179360), (40, 3020392), (62, 1948640), (64, 1887745), (76, 1589680), (80, 1510196), (95, 1271744), (124, 974320), (152, 794840), (155, 779456), (160, 755098), (190, 635872), (248, 487160), (304, 397420), (310, 389728), (320, 377549), (380, 317936), (496, 243580), (589, 205120), (608, 198710), (620, 194864), (641, 188480), (760, 158968), (992, 121790), (1178, 102560), (1216, 99355), (1240, 97432), (1282, 94240), (1520, 79484), (1984, 60895), (2356, 51280), (2480, 48716), (2564, 47120), (2945, 41024), (3040, 39742), (3205, 37696), (4712, 25640), (4960, 24358), (5128, 23560), (5890, 20512), (6080, 19871), (6410, 18848), (9424, 12820), (9920, 12179), (10256, 11780)]