1640672

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 3628800

約数和(自身を除く): 1988128

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 79, 88, 118, 158, 176, 236, 316, 352, 472, 632, 649, 869, 944, 1264, 1298, 1738, 1888, 2528, 2596, 3476, 4661, 5192, 6952, 9322, 10384, 13904, 18644, 20768, 27808, 37288, 51271, 74576, 102542, 149152, 205084, 410168, 820336, 1640672]

約数ペア:

[(1, 1640672), (2, 820336), (4, 410168), (8, 205084), (11, 149152), (16, 102542), (22, 74576), (32, 51271), (44, 37288), (59, 27808), (79, 20768), (88, 18644), (118, 13904), (158, 10384), (176, 9322), (236, 6952), (316, 5192), (352, 4661), (472, 3476), (632, 2596), (649, 2528), (869, 1888), (944, 1738), (1264, 1298)]