221580800

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{2473}}^1$

素因数の和:2508

約数の個数: 120

約数和(自身を含む): 627663696

約数和(自身を除く): 406082896

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, 1600, 1792, 2240, 2473, 2560, 2800, 3200, 3584, 4480, 4946, 5600, 6400, 8960, 9892, 11200, 12365, 12800, 17311, 17920, 19784, 22400, 24730, 34622, 39568, 44800, 49460, 61825, 69244, 79136, 86555, 89600, 98920, 123650, 138488, 158272, 173110, 197840, 247300, 276976, 316544, 346220, 395680, 432775, 494600, 553952, 633088, 692440, 791360, 865550, 989200, 1107904, 1266176, 1384880, 1582720, 1731100, 1978400, 2215808, 2769760, 3165440, 3462200, 3956800, 4431616, 5539520, 6330880, 6924400, 7913600, 8863232, 11079040, 13848800, 15827200, 22158080, 27697600, 31654400, 44316160, 55395200, 110790400, 221580800]

約数ペア:

[(1, 221580800), (2, 110790400), (4, 55395200), (5, 44316160), (7, 31654400), (8, 27697600), (10, 22158080), (14, 15827200), (16, 13848800), (20, 11079040), (25, 8863232), (28, 7913600), (32, 6924400), (35, 6330880), (40, 5539520), (50, 4431616), (56, 3956800), (64, 3462200), (70, 3165440), (80, 2769760), (100, 2215808), (112, 1978400), (128, 1731100), (140, 1582720), (160, 1384880), (175, 1266176), (200, 1107904), (224, 989200), (256, 865550), (280, 791360), (320, 692440), (350, 633088), (400, 553952), (448, 494600), (512, 432775), (560, 395680), (640, 346220), (700, 316544), (800, 276976), (896, 247300), (1120, 197840), (1280, 173110), (1400, 158272), (1600, 138488), (1792, 123650), (2240, 98920), (2473, 89600), (2560, 86555), (2800, 79136), (3200, 69244), (3584, 61825), (4480, 49460), (4946, 44800), (5600, 39568), (6400, 34622), (8960, 24730), (9892, 22400), (11200, 19784), (12365, 17920), (12800, 17311)]