1680702975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1270

約数の個数: 144

約数和(自身を含む): 3676907520

約数和(自身を除く): 1996204545

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 31, 35, 45, 63, 75, 87, 93, 105, 145, 155, 175, 203, 217, 225, 261, 279, 315, 435, 465, 525, 609, 651, 725, 775, 899, 1015, 1085, 1187, 1305, 1395, 1575, 1827, 1953, 2175, 2325, 2697, 3045, 3255, 3561, 4495, 5075, 5425, 5935, 6293, 6525, 6975, 8091, 8309, 9135, 9765, 10683, 13485, 15225, 16275, 17805, 18879, 22475, 24927, 29675, 31465, 34423, 36797, 40455, 41545, 45675, 48825, 53415, 56637, 67425, 74781, 89025, 94395, 103269, 110391, 124635, 157325, 172115, 183985, 202275, 207725, 240961, 257579, 267075, 283185, 309807, 331173, 373905, 471975, 516345, 551955, 623175, 722883, 772737, 860575, 919925, 1067113, 1204805, 1287895, 1415925, 1549035, 1655865, 1869525, 2168649, 2318211, 2581725, 2759775, 3201339, 3614415, 3863685, 5335565, 6024025, 6439475, 7469791, 7745175, 8279325, 9604017, 10843245, 11591055, 16006695, 18072075, 19318425, 22409373, 26677825, 37348955, 48020085, 54216225, 57955275, 67228119, 80033475, 112046865, 186744775, 240100425, 336140595, 560234325, 1680702975]

約数ペア:

[(1, 1680702975), (3, 560234325), (5, 336140595), (7, 240100425), (9, 186744775), (15, 112046865), (21, 80033475), (25, 67228119), (29, 57955275), (31, 54216225), (35, 48020085), (45, 37348955), (63, 26677825), (75, 22409373), (87, 19318425), (93, 18072075), (105, 16006695), (145, 11591055), (155, 10843245), (175, 9604017), (203, 8279325), (217, 7745175), (225, 7469791), (261, 6439475), (279, 6024025), (315, 5335565), (435, 3863685), (465, 3614415), (525, 3201339), (609, 2759775), (651, 2581725), (725, 2318211), (775, 2168649), (899, 1869525), (1015, 1655865), (1085, 1549035), (1187, 1415925), (1305, 1287895), (1395, 1204805), (1575, 1067113), (1827, 919925), (1953, 860575), (2175, 772737), (2325, 722883), (2697, 623175), (3045, 551955), (3255, 516345), (3561, 471975), (4495, 373905), (5075, 331173), (5425, 309807), (5935, 283185), (6293, 267075), (6525, 257579), (6975, 240961), (8091, 207725), (8309, 202275), (9135, 183985), (9765, 172115), (10683, 157325), (13485, 124635), (15225, 110391), (16275, 103269), (17805, 94395), (18879, 89025), (22475, 74781), (24927, 67425), (29675, 56637), (31465, 53415), (34423, 48825), (36797, 45675), (40455, 41545)]