640504687140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28929751}}^1$

素因数の和:28929810

約数の個数: 96

約数和(自身を含む): 2041283301120

約数和(自身を除く): 1400778613980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 1107, 1230, 1476, 1845, 2214, 2460, 3690, 4428, 5535, 7380, 11070, 22140, 28929751, 57859502, 86789253, 115719004, 144648755, 173578506, 260367759, 289297510, 347157012, 433946265, 520735518, 578595020, 781103277, 867892530, 1041471036, 1186119791, 1301838795, 1562206554, 1735785060, 2372239582, 2603677590, 3124413108, 3558359373, 3905516385, 4744479164, 5207355180, 5930598955, 7116718746, 7811032770, 10675078119, 11861197910, 14233437492, 15622065540, 17791796865, 21350156238, 23722395820, 32025234357, 35583593730, 42700312476, 53375390595, 64050468714, 71167187460, 106750781190, 128100937428, 160126171785, 213501562380, 320252343570, 640504687140]

約数ペア:

[(1, 640504687140), (2, 320252343570), (3, 213501562380), (4, 160126171785), (5, 128100937428), (6, 106750781190), (9, 71167187460), (10, 64050468714), (12, 53375390595), (15, 42700312476), (18, 35583593730), (20, 32025234357), (27, 23722395820), (30, 21350156238), (36, 17791796865), (41, 15622065540), (45, 14233437492), (54, 11861197910), (60, 10675078119), (82, 7811032770), (90, 7116718746), (108, 5930598955), (123, 5207355180), (135, 4744479164), (164, 3905516385), (180, 3558359373), (205, 3124413108), (246, 2603677590), (270, 2372239582), (369, 1735785060), (410, 1562206554), (492, 1301838795), (540, 1186119791), (615, 1041471036), (738, 867892530), (820, 781103277), (1107, 578595020), (1230, 520735518), (1476, 433946265), (1845, 347157012), (2214, 289297510), (2460, 260367759), (3690, 173578506), (4428, 144648755), (5535, 115719004), (7380, 86789253), (11070, 57859502), (22140, 28929751)]