128882180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 321699840

約数和(自身を除く): 192817660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 79, 86, 140, 158, 172, 215, 271, 301, 316, 395, 430, 542, 553, 602, 790, 860, 1084, 1106, 1204, 1355, 1505, 1580, 1897, 2212, 2710, 2765, 3010, 3397, 3794, 5420, 5530, 6020, 6794, 7588, 9485, 11060, 11653, 13588, 16985, 18970, 21409, 23306, 23779, 33970, 37940, 42818, 46612, 47558, 58265, 67940, 81571, 85636, 95116, 107045, 116530, 118895, 149863, 163142, 214090, 233060, 237790, 299726, 326284, 407855, 428180, 475580, 599452, 749315, 815710, 920587, 1498630, 1631420, 1841174, 2997260, 3682348, 4602935, 6444109, 9205870, 12888218, 18411740, 25776436, 32220545, 64441090, 128882180]

約数ペア:

[(1, 128882180), (2, 64441090), (4, 32220545), (5, 25776436), (7, 18411740), (10, 12888218), (14, 9205870), (20, 6444109), (28, 4602935), (35, 3682348), (43, 2997260), (70, 1841174), (79, 1631420), (86, 1498630), (140, 920587), (158, 815710), (172, 749315), (215, 599452), (271, 475580), (301, 428180), (316, 407855), (395, 326284), (430, 299726), (542, 237790), (553, 233060), (602, 214090), (790, 163142), (860, 149863), (1084, 118895), (1106, 116530), (1204, 107045), (1355, 95116), (1505, 85636), (1580, 81571), (1897, 67940), (2212, 58265), (2710, 47558), (2765, 46612), (3010, 42818), (3397, 37940), (3794, 33970), (5420, 23779), (5530, 23306), (6020, 21409), (6794, 18970), (7588, 16985), (9485, 13588), (11060, 11653)]