64280128

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 152083008

約数和(自身を除く): 87802880

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 41, 44, 64, 68, 82, 88, 131, 136, 164, 176, 187, 262, 272, 328, 352, 374, 451, 524, 544, 656, 697, 704, 748, 902, 1048, 1088, 1312, 1394, 1441, 1496, 1804, 2096, 2227, 2624, 2788, 2882, 2992, 3608, 4192, 4454, 5371, 5576, 5764, 5984, 7216, 7667, 8384, 8908, 10742, 11152, 11528, 11968, 14432, 15334, 17816, 21484, 22304, 23056, 24497, 28864, 30668, 35632, 42968, 44608, 46112, 48994, 59081, 61336, 71264, 85936, 91307, 92224, 97988, 118162, 122672, 142528, 171872, 182614, 195976, 236324, 245344, 343744, 365228, 391952, 472648, 490688, 730456, 783904, 945296, 1004377, 1460912, 1567808, 1890592, 2008754, 2921824, 3781184, 4017508, 5843648, 8035016, 16070032, 32140064, 64280128]

約数ペア:

[(1, 64280128), (2, 32140064), (4, 16070032), (8, 8035016), (11, 5843648), (16, 4017508), (17, 3781184), (22, 2921824), (32, 2008754), (34, 1890592), (41, 1567808), (44, 1460912), (64, 1004377), (68, 945296), (82, 783904), (88, 730456), (131, 490688), (136, 472648), (164, 391952), (176, 365228), (187, 343744), (262, 245344), (272, 236324), (328, 195976), (352, 182614), (374, 171872), (451, 142528), (524, 122672), (544, 118162), (656, 97988), (697, 92224), (704, 91307), (748, 85936), (902, 71264), (1048, 61336), (1088, 59081), (1312, 48994), (1394, 46112), (1441, 44608), (1496, 42968), (1804, 35632), (2096, 30668), (2227, 28864), (2624, 24497), (2788, 23056), (2882, 22304), (2992, 21484), (3608, 17816), (4192, 15334), (4454, 14432), (5371, 11968), (5576, 11528), (5764, 11152), (5984, 10742), (7216, 8908), (7667, 8384)]