640904544

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1237}}^1$

素因数の和:1517

約数の個数: 144

約数和(自身を含む): 2092735008

約数和(自身を除く): 1451830464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 257, 288, 336, 504, 514, 672, 771, 1008, 1028, 1237, 1542, 1799, 2016, 2056, 2313, 2474, 3084, 3598, 3711, 4112, 4626, 4948, 5397, 6168, 7196, 7422, 8224, 8659, 9252, 9896, 10794, 11133, 12336, 14392, 14844, 16191, 17318, 18504, 19792, 21588, 22266, 24672, 25977, 28784, 29688, 32382, 34636, 37008, 39584, 43176, 44532, 51954, 57568, 59376, 64764, 69272, 74016, 77931, 86352, 89064, 103908, 118752, 129528, 138544, 155862, 172704, 178128, 207816, 259056, 277088, 311724, 317909, 356256, 415632, 518112, 623448, 635818, 831264, 953727, 1246896, 1271636, 1907454, 2225363, 2493792, 2543272, 2861181, 3814908, 4450726, 5086544, 5722362, 6676089, 7629816, 8901452, 10173088, 11444724, 13352178, 15259632, 17802904, 20028267, 22889448, 26704356, 30519264, 35605808, 40056534, 45778896, 53408712, 71211616, 80113068, 91557792, 106817424, 160226136, 213634848, 320452272, 640904544]

約数ペア:

[(1, 640904544), (2, 320452272), (3, 213634848), (4, 160226136), (6, 106817424), (7, 91557792), (8, 80113068), (9, 71211616), (12, 53408712), (14, 45778896), (16, 40056534), (18, 35605808), (21, 30519264), (24, 26704356), (28, 22889448), (32, 20028267), (36, 17802904), (42, 15259632), (48, 13352178), (56, 11444724), (63, 10173088), (72, 8901452), (84, 7629816), (96, 6676089), (112, 5722362), (126, 5086544), (144, 4450726), (168, 3814908), (224, 2861181), (252, 2543272), (257, 2493792), (288, 2225363), (336, 1907454), (504, 1271636), (514, 1246896), (672, 953727), (771, 831264), (1008, 635818), (1028, 623448), (1237, 518112), (1542, 415632), (1799, 356256), (2016, 317909), (2056, 311724), (2313, 277088), (2474, 259056), (3084, 207816), (3598, 178128), (3711, 172704), (4112, 155862), (4626, 138544), (4948, 129528), (5397, 118752), (6168, 103908), (7196, 89064), (7422, 86352), (8224, 77931), (8659, 74016), (9252, 69272), (9896, 64764), (10794, 59376), (11133, 57568), (12336, 51954), (14392, 44532), (14844, 43176), (16191, 39584), (17318, 37008), (18504, 34636), (19792, 32382), (21588, 29688), (22266, 28784), (24672, 25977)]