68302720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 177357600

約数和(自身を除く): 109054880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 137, 152, 160, 164, 190, 205, 274, 304, 320, 328, 380, 410, 548, 608, 640, 656, 685, 760, 779, 820, 1096, 1216, 1312, 1370, 1520, 1558, 1640, 2192, 2432, 2603, 2624, 2740, 3040, 3116, 3280, 3895, 4384, 5206, 5248, 5480, 5617, 6080, 6232, 6560, 7790, 8768, 10412, 10960, 11234, 12160, 12464, 13015, 13120, 15580, 17536, 20824, 21920, 22468, 24928, 26030, 26240, 28085, 31160, 41648, 43840, 44936, 49856, 52060, 56170, 62320, 83296, 87680, 89872, 99712, 104120, 106723, 112340, 124640, 166592, 179744, 208240, 213446, 224680, 249280, 333184, 359488, 416480, 426892, 449360, 498560, 533615, 718976, 832960, 853784, 898720, 1067230, 1665920, 1707568, 1797440, 2134460, 3415136, 3594880, 4268920, 6830272, 8537840, 13660544, 17075680, 34151360, 68302720]

約数ペア:

[(1, 68302720), (2, 34151360), (4, 17075680), (5, 13660544), (8, 8537840), (10, 6830272), (16, 4268920), (19, 3594880), (20, 3415136), (32, 2134460), (38, 1797440), (40, 1707568), (41, 1665920), (64, 1067230), (76, 898720), (80, 853784), (82, 832960), (95, 718976), (128, 533615), (137, 498560), (152, 449360), (160, 426892), (164, 416480), (190, 359488), (205, 333184), (274, 249280), (304, 224680), (320, 213446), (328, 208240), (380, 179744), (410, 166592), (548, 124640), (608, 112340), (640, 106723), (656, 104120), (685, 99712), (760, 89872), (779, 87680), (820, 83296), (1096, 62320), (1216, 56170), (1312, 52060), (1370, 49856), (1520, 44936), (1558, 43840), (1640, 41648), (2192, 31160), (2432, 28085), (2603, 26240), (2624, 26030), (2740, 24928), (3040, 22468), (3116, 21920), (3280, 20824), (3895, 17536), (4384, 15580), (5206, 13120), (5248, 13015), (5480, 12464), (5617, 12160), (6080, 11234), (6232, 10960), (6560, 10412), (7790, 8768)]