68706560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4129}}^1$

素因数の和:4163

約数の個数: 72

約数和(自身を含む): 177276120

約数和(自身を除く): 108569560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4129, 4160, 8258, 8320, 16516, 16640, 20645, 33032, 41290, 53677, 66064, 82580, 107354, 132128, 165160, 214708, 264256, 268385, 330320, 429416, 528512, 536770, 660640, 858832, 1057024, 1073540, 1321280, 1717664, 2147080, 2642560, 3435328, 4294160, 5285120, 6870656, 8588320, 13741312, 17176640, 34353280, 68706560]

約数ペア:

[(1, 68706560), (2, 34353280), (4, 17176640), (5, 13741312), (8, 8588320), (10, 6870656), (13, 5285120), (16, 4294160), (20, 3435328), (26, 2642560), (32, 2147080), (40, 1717664), (52, 1321280), (64, 1073540), (65, 1057024), (80, 858832), (104, 660640), (128, 536770), (130, 528512), (160, 429416), (208, 330320), (256, 268385), (260, 264256), (320, 214708), (416, 165160), (520, 132128), (640, 107354), (832, 82580), (1040, 66064), (1280, 53677), (1664, 41290), (2080, 33032), (3328, 20645), (4129, 16640), (4160, 16516), (8258, 8320)]