76908800

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 108

約数和(自身を含む): 194464116

約数和(自身を除く): 117555316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 197, 200, 244, 256, 305, 320, 394, 400, 488, 610, 640, 788, 800, 976, 985, 1220, 1280, 1525, 1576, 1600, 1952, 1970, 2440, 3050, 3152, 3200, 3904, 3940, 4880, 4925, 6100, 6304, 6400, 7808, 7880, 9760, 9850, 12017, 12200, 12608, 15616, 15760, 19520, 19700, 24034, 24400, 25216, 31520, 39040, 39400, 48068, 48800, 50432, 60085, 63040, 78080, 78800, 96136, 97600, 120170, 126080, 157600, 192272, 195200, 240340, 252160, 300425, 315200, 384544, 390400, 480680, 600850, 630400, 769088, 961360, 1201700, 1260800, 1538176, 1922720, 2403400, 3076352, 3845440, 4806800, 7690880, 9613600, 15381760, 19227200, 38454400, 76908800]

約数ペア:

[(1, 76908800), (2, 38454400), (4, 19227200), (5, 15381760), (8, 9613600), (10, 7690880), (16, 4806800), (20, 3845440), (25, 3076352), (32, 2403400), (40, 1922720), (50, 1538176), (61, 1260800), (64, 1201700), (80, 961360), (100, 769088), (122, 630400), (128, 600850), (160, 480680), (197, 390400), (200, 384544), (244, 315200), (256, 300425), (305, 252160), (320, 240340), (394, 195200), (400, 192272), (488, 157600), (610, 126080), (640, 120170), (788, 97600), (800, 96136), (976, 78800), (985, 78080), (1220, 63040), (1280, 60085), (1525, 50432), (1576, 48800), (1600, 48068), (1952, 39400), (1970, 39040), (2440, 31520), (3050, 25216), (3152, 24400), (3200, 24034), (3904, 19700), (3940, 19520), (4880, 15760), (4925, 15616), (6100, 12608), (6304, 12200), (6400, 12017), (7808, 9850), (7880, 9760)]