131428640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2794

約数の個数: 96

約数和(自身を含む): 363242880

約数和(自身を除く): 231814240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 70, 80, 86, 112, 140, 160, 172, 215, 224, 280, 301, 344, 430, 560, 602, 688, 860, 1120, 1204, 1376, 1505, 1720, 2408, 2729, 3010, 3440, 4816, 5458, 6020, 6880, 9632, 10916, 12040, 13645, 19103, 21832, 24080, 27290, 38206, 43664, 48160, 54580, 76412, 87328, 95515, 109160, 117347, 152824, 191030, 218320, 234694, 305648, 382060, 436640, 469388, 586735, 611296, 764120, 821429, 938776, 1173470, 1528240, 1642858, 1877552, 2346940, 3056480, 3285716, 3755104, 4107145, 4693880, 6571432, 8214290, 9387760, 13142864, 16428580, 18775520, 26285728, 32857160, 65714320, 131428640]

約数ペア:

[(1, 131428640), (2, 65714320), (4, 32857160), (5, 26285728), (7, 18775520), (8, 16428580), (10, 13142864), (14, 9387760), (16, 8214290), (20, 6571432), (28, 4693880), (32, 4107145), (35, 3755104), (40, 3285716), (43, 3056480), (56, 2346940), (70, 1877552), (80, 1642858), (86, 1528240), (112, 1173470), (140, 938776), (160, 821429), (172, 764120), (215, 611296), (224, 586735), (280, 469388), (301, 436640), (344, 382060), (430, 305648), (560, 234694), (602, 218320), (688, 191030), (860, 152824), (1120, 117347), (1204, 109160), (1376, 95515), (1505, 87328), (1720, 76412), (2408, 54580), (2729, 48160), (3010, 43664), (3440, 38206), (4816, 27290), (5458, 24080), (6020, 21832), (6880, 19103), (9632, 13645), (10916, 12040)]