128934400

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{1439}}^1$

素因数の和:1474

約数の個数: 120

約数和(自身を含む): 365333760

約数和(自身を除く): 236399360

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, 512, 560, 640, 700, 800, 896, 1120, 1280, 1400, 1439, 1600, 1792, 2240, 2560, 2800, 2878, 3200, 3584, 4480, 5600, 5756, 6400, 7195, 8960, 10073, 11200, 11512, 12800, 14390, 17920, 20146, 22400, 23024, 28780, 35975, 40292, 44800, 46048, 50365, 57560, 71950, 80584, 89600, 92096, 100730, 115120, 143900, 161168, 184192, 201460, 230240, 251825, 287800, 322336, 368384, 402920, 460480, 503650, 575600, 644672, 736768, 805840, 920960, 1007300, 1151200, 1289344, 1611680, 1841920, 2014600, 2302400, 2578688, 3223360, 3683840, 4029200, 4604800, 5157376, 6446720, 8058400, 9209600, 12893440, 16116800, 18419200, 25786880, 32233600, 64467200, 128934400]

約数ペア:

[(1, 128934400), (2, 64467200), (4, 32233600), (5, 25786880), (7, 18419200), (8, 16116800), (10, 12893440), (14, 9209600), (16, 8058400), (20, 6446720), (25, 5157376), (28, 4604800), (32, 4029200), (35, 3683840), (40, 3223360), (50, 2578688), (56, 2302400), (64, 2014600), (70, 1841920), (80, 1611680), (100, 1289344), (112, 1151200), (128, 1007300), (140, 920960), (160, 805840), (175, 736768), (200, 644672), (224, 575600), (256, 503650), (280, 460480), (320, 402920), (350, 368384), (400, 322336), (448, 287800), (512, 251825), (560, 230240), (640, 201460), (700, 184192), (800, 161168), (896, 143900), (1120, 115120), (1280, 100730), (1400, 92096), (1439, 89600), (1600, 80584), (1792, 71950), (2240, 57560), (2560, 50365), (2800, 46048), (2878, 44800), (3200, 40292), (3584, 35975), (4480, 28780), (5600, 23024), (5756, 22400), (6400, 20146), (7195, 17920), (8960, 14390), (10073, 12800), (11200, 11512)]