6401280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 20456352

約数和(自身を除く): 14055072

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, 640, 768, 960, 1280, 1667, 1920, 3334, 3840, 5001, 6668, 8335, 10002, 13336, 16670, 20004, 25005, 26672, 33340, 40008, 50010, 53344, 66680, 80016, 100020, 106688, 133360, 160032, 200040, 213376, 266720, 320064, 400080, 426752, 533440, 640128, 800160, 1066880, 1280256, 1600320, 2133760, 3200640, 6401280]

約数ペア:

[(1, 6401280), (2, 3200640), (3, 2133760), (4, 1600320), (5, 1280256), (6, 1066880), (8, 800160), (10, 640128), (12, 533440), (15, 426752), (16, 400080), (20, 320064), (24, 266720), (30, 213376), (32, 200040), (40, 160032), (48, 133360), (60, 106688), (64, 100020), (80, 80016), (96, 66680), (120, 53344), (128, 50010), (160, 40008), (192, 33340), (240, 26672), (256, 25005), (320, 20004), (384, 16670), (480, 13336), (640, 10002), (768, 8335), (960, 6668), (1280, 5001), (1667, 3840), (1920, 3334)]