78197120

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2003}}^1$

素因数の和:2083

約数の個数: 64

約数和(自身を含む): 190099440

約数和(自身を除く): 111902320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2003, 2440, 3904, 4006, 4880, 7808, 8012, 9760, 10015, 16024, 19520, 20030, 32048, 39040, 40060, 64096, 80120, 122183, 128192, 160240, 244366, 256384, 320480, 488732, 610915, 640960, 977464, 1221830, 1281920, 1954928, 2443660, 3909856, 4887320, 7819712, 9774640, 15639424, 19549280, 39098560, 78197120]

約数ペア:

[(1, 78197120), (2, 39098560), (4, 19549280), (5, 15639424), (8, 9774640), (10, 7819712), (16, 4887320), (20, 3909856), (32, 2443660), (40, 1954928), (61, 1281920), (64, 1221830), (80, 977464), (122, 640960), (128, 610915), (160, 488732), (244, 320480), (305, 256384), (320, 244366), (488, 160240), (610, 128192), (640, 122183), (976, 80120), (1220, 64096), (1952, 40060), (2003, 39040), (2440, 32048), (3904, 20030), (4006, 19520), (4880, 16024), (7808, 10015), (8012, 9760)]