7681280

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 19536552

約数和(自身を除く): 11855272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 353, 544, 640, 680, 706, 1088, 1280, 1360, 1412, 1765, 2176, 2720, 2824, 3530, 4352, 5440, 5648, 6001, 7060, 10880, 11296, 12002, 14120, 21760, 22592, 24004, 28240, 30005, 45184, 48008, 56480, 60010, 90368, 96016, 112960, 120020, 192032, 225920, 240040, 384064, 451840, 480080, 768128, 960160, 1536256, 1920320, 3840640, 7681280]

約数ペア:

[(1, 7681280), (2, 3840640), (4, 1920320), (5, 1536256), (8, 960160), (10, 768128), (16, 480080), (17, 451840), (20, 384064), (32, 240040), (34, 225920), (40, 192032), (64, 120020), (68, 112960), (80, 96016), (85, 90368), (128, 60010), (136, 56480), (160, 48008), (170, 45184), (256, 30005), (272, 28240), (320, 24004), (340, 22592), (353, 21760), (544, 14120), (640, 12002), (680, 11296), (706, 10880), (1088, 7060), (1280, 6001), (1360, 5648), (1412, 5440), (1765, 4352), (2176, 3530), (2720, 2824)]