261776340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3011}}^1$

素因数の和:3059

約数の個数: 192

約数和(自身を含む): 971550720

約数和(自身を除く): 709774380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 180, 189, 207, 210, 230, 252, 270, 276, 315, 322, 345, 378, 414, 420, 460, 483, 540, 621, 630, 644, 690, 756, 805, 828, 945, 966, 1035, 1242, 1260, 1380, 1449, 1610, 1890, 1932, 2070, 2415, 2484, 2898, 3011, 3105, 3220, 3780, 4140, 4347, 4830, 5796, 6022, 6210, 7245, 8694, 9033, 9660, 12044, 12420, 14490, 15055, 17388, 18066, 21077, 21735, 27099, 28980, 30110, 36132, 42154, 43470, 45165, 54198, 60220, 63231, 69253, 81297, 84308, 86940, 90330, 105385, 108396, 126462, 135495, 138506, 162594, 180660, 189693, 207759, 210770, 252924, 270990, 277012, 316155, 325188, 346265, 379386, 406485, 415518, 421540, 484771, 541980, 569079, 623277, 632310, 692530, 758772, 812970, 831036, 948465, 969542, 1038795, 1138158, 1246554, 1264620, 1385060, 1454313, 1625940, 1869831, 1896930, 1939084, 2077590, 2276316, 2423855, 2493108, 2845395, 2908626, 3116385, 3739662, 3793860, 4155180, 4362939, 4847710, 5690790, 5817252, 6232770, 7271565, 7479324, 8725878, 9349155, 9695420, 11381580, 12465540, 13088817, 14543130, 17451756, 18698310, 21814695, 26177634, 29086260, 37396620, 43629390, 52355268, 65444085, 87258780, 130888170, 261776340]

約数ペア:

[(1, 261776340), (2, 130888170), (3, 87258780), (4, 65444085), (5, 52355268), (6, 43629390), (7, 37396620), (9, 29086260), (10, 26177634), (12, 21814695), (14, 18698310), (15, 17451756), (18, 14543130), (20, 13088817), (21, 12465540), (23, 11381580), (27, 9695420), (28, 9349155), (30, 8725878), (35, 7479324), (36, 7271565), (42, 6232770), (45, 5817252), (46, 5690790), (54, 4847710), (60, 4362939), (63, 4155180), (69, 3793860), (70, 3739662), (84, 3116385), (90, 2908626), (92, 2845395), (105, 2493108), (108, 2423855), (115, 2276316), (126, 2077590), (135, 1939084), (138, 1896930), (140, 1869831), (161, 1625940), (180, 1454313), (189, 1385060), (207, 1264620), (210, 1246554), (230, 1138158), (252, 1038795), (270, 969542), (276, 948465), (315, 831036), (322, 812970), (345, 758772), (378, 692530), (414, 632310), (420, 623277), (460, 569079), (483, 541980), (540, 484771), (621, 421540), (630, 415518), (644, 406485), (690, 379386), (756, 346265), (805, 325188), (828, 316155), (945, 277012), (966, 270990), (1035, 252924), (1242, 210770), (1260, 207759), (1380, 189693), (1449, 180660), (1610, 162594), (1890, 138506), (1932, 135495), (2070, 126462), (2415, 108396), (2484, 105385), (2898, 90330), (3011, 86940), (3105, 84308), (3220, 81297), (3780, 69253), (4140, 63231), (4347, 60220), (4830, 54198), (5796, 45165), (6022, 43470), (6210, 42154), (7245, 36132), (8694, 30110), (9033, 28980), (9660, 27099), (12044, 21735), (12420, 21077), (14490, 18066), (15055, 17388)]