128979200

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{2879}}^1$

素因数の和:2912

約数の個数: 108

約数和(自身を含む): 364976640

約数和(自身を除く): 235997440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1280, 1400, 1600, 1792, 2240, 2800, 2879, 3200, 4480, 5600, 5758, 6400, 8960, 11200, 11516, 14395, 20153, 22400, 23032, 28790, 40306, 44800, 46064, 57580, 71975, 80612, 92128, 100765, 115160, 143950, 161224, 184256, 201530, 230320, 287900, 322448, 368512, 403060, 460640, 503825, 575800, 644896, 737024, 806120, 921280, 1007650, 1151600, 1289792, 1612240, 1842560, 2015300, 2303200, 2579584, 3224480, 3685120, 4030600, 4606400, 5159168, 6448960, 8061200, 9212800, 12897920, 16122400, 18425600, 25795840, 32244800, 64489600, 128979200]

約数ペア:

[(1, 128979200), (2, 64489600), (4, 32244800), (5, 25795840), (7, 18425600), (8, 16122400), (10, 12897920), (14, 9212800), (16, 8061200), (20, 6448960), (25, 5159168), (28, 4606400), (32, 4030600), (35, 3685120), (40, 3224480), (50, 2579584), (56, 2303200), (64, 2015300), (70, 1842560), (80, 1612240), (100, 1289792), (112, 1151600), (128, 1007650), (140, 921280), (160, 806120), (175, 737024), (200, 644896), (224, 575800), (256, 503825), (280, 460640), (320, 403060), (350, 368512), (400, 322448), (448, 287900), (560, 230320), (640, 201530), (700, 184256), (800, 161224), (896, 143950), (1120, 115160), (1280, 100765), (1400, 92128), (1600, 80612), (1792, 71975), (2240, 57580), (2800, 46064), (2879, 44800), (3200, 40306), (4480, 28790), (5600, 23032), (5758, 22400), (6400, 20153), (8960, 14395), (11200, 11516)]