7841280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{1021}}^1$

素因数の和:1047

約数の個数: 80

約数和(自身を含む): 25092144

約数和(自身を除く): 17250864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1021, 1280, 1536, 1920, 2042, 2560, 3063, 3840, 4084, 5105, 6126, 7680, 8168, 10210, 12252, 15315, 16336, 20420, 24504, 30630, 32672, 40840, 49008, 61260, 65344, 81680, 98016, 122520, 130688, 163360, 196032, 245040, 261376, 326720, 392064, 490080, 522752, 653440, 784128, 980160, 1306880, 1568256, 1960320, 2613760, 3920640, 7841280]

約数ペア:

[(1, 7841280), (2, 3920640), (3, 2613760), (4, 1960320), (5, 1568256), (6, 1306880), (8, 980160), (10, 784128), (12, 653440), (15, 522752), (16, 490080), (20, 392064), (24, 326720), (30, 261376), (32, 245040), (40, 196032), (48, 163360), (60, 130688), (64, 122520), (80, 98016), (96, 81680), (120, 65344), (128, 61260), (160, 49008), (192, 40840), (240, 32672), (256, 30630), (320, 24504), (384, 20420), (480, 16336), (512, 15315), (640, 12252), (768, 10210), (960, 8168), (1021, 7680), (1280, 6126), (1536, 5105), (1920, 4084), (2042, 3840), (2560, 3063)]