1640247056

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{587}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 3706846080

約数和(自身を除く): 2066599024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 409, 427, 488, 587, 818, 854, 976, 1174, 1636, 1708, 2348, 2863, 3272, 3416, 4109, 4696, 5726, 6544, 6832, 8218, 9392, 11452, 16436, 22904, 24949, 32872, 35807, 45808, 49898, 65744, 71614, 99796, 143228, 174643, 199592, 240083, 250649, 286456, 349286, 399184, 480166, 501298, 572912, 698572, 960332, 1002596, 1397144, 1680581, 1920664, 2005192, 2794288, 3361162, 3841328, 4010384, 6722324, 13444648, 14645063, 26889296, 29290126, 58580252, 102515441, 117160504, 205030882, 234321008, 410061764, 820123528, 1640247056]

約数ペア:

[(1, 1640247056), (2, 820123528), (4, 410061764), (7, 234321008), (8, 205030882), (14, 117160504), (16, 102515441), (28, 58580252), (56, 29290126), (61, 26889296), (112, 14645063), (122, 13444648), (244, 6722324), (409, 4010384), (427, 3841328), (488, 3361162), (587, 2794288), (818, 2005192), (854, 1920664), (976, 1680581), (1174, 1397144), (1636, 1002596), (1708, 960332), (2348, 698572), (2863, 572912), (3272, 501298), (3416, 480166), (4109, 399184), (4696, 349286), (5726, 286456), (6544, 250649), (6832, 240083), (8218, 199592), (9392, 174643), (11452, 143228), (16436, 99796), (22904, 71614), (24949, 65744), (32872, 49898), (35807, 45808)]