1257159840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19993}}^1$

素因数の和:20142

約数の個数: 96

約数和(自身を含む): 3990482496

約数和(自身を除く): 2733322656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 7860, 10480, 12576, 15720, 19993, 20960, 31440, 39986, 59979, 62880, 79972, 99965, 119958, 159944, 199930, 239916, 299895, 319888, 399860, 479832, 599790, 639776, 799720, 959664, 1199580, 1599440, 1919328, 2399160, 2619083, 3198880, 4798320, 5238166, 7857249, 9596640, 10476332, 13095415, 15714498, 20952664, 26190830, 31428996, 39286245, 41905328, 52381660, 62857992, 78572490, 83810656, 104763320, 125715984, 157144980, 209526640, 251431968, 314289960, 419053280, 628579920, 1257159840]

約数ペア:

[(1, 1257159840), (2, 628579920), (3, 419053280), (4, 314289960), (5, 251431968), (6, 209526640), (8, 157144980), (10, 125715984), (12, 104763320), (15, 83810656), (16, 78572490), (20, 62857992), (24, 52381660), (30, 41905328), (32, 39286245), (40, 31428996), (48, 26190830), (60, 20952664), (80, 15714498), (96, 13095415), (120, 10476332), (131, 9596640), (160, 7857249), (240, 5238166), (262, 4798320), (393, 3198880), (480, 2619083), (524, 2399160), (655, 1919328), (786, 1599440), (1048, 1199580), (1310, 959664), (1572, 799720), (1965, 639776), (2096, 599790), (2620, 479832), (3144, 399860), (3930, 319888), (4192, 299895), (5240, 239916), (6288, 199930), (7860, 159944), (10480, 119958), (12576, 99965), (15720, 79972), (19993, 62880), (20960, 59979), (31440, 39986)]