261821700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{1979}}^1$

素因数の和:2016

約数の個数: 216

約数和(自身を含む): 979624800

約数和(自身を除く): 717803100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 150, 175, 180, 189, 196, 210, 225, 245, 252, 270, 294, 300, 315, 350, 378, 420, 441, 450, 490, 525, 540, 588, 630, 675, 700, 735, 756, 882, 900, 945, 980, 1050, 1225, 1260, 1323, 1350, 1470, 1575, 1764, 1890, 1979, 2100, 2205, 2450, 2646, 2700, 2940, 3150, 3675, 3780, 3958, 4410, 4725, 4900, 5292, 5937, 6300, 6615, 7350, 7916, 8820, 9450, 9895, 11025, 11874, 13230, 13853, 14700, 17811, 18900, 19790, 22050, 23748, 26460, 27706, 29685, 33075, 35622, 39580, 41559, 44100, 49475, 53433, 55412, 59370, 66150, 69265, 71244, 83118, 89055, 96971, 98950, 106866, 118740, 124677, 132300, 138530, 148425, 166236, 178110, 193942, 197900, 207795, 213732, 249354, 267165, 277060, 290913, 296850, 346325, 356220, 374031, 387884, 415590, 445275, 484855, 498708, 534330, 581826, 593700, 623385, 692650, 748062, 831180, 872739, 890550, 969710, 1038975, 1068660, 1163652, 1246770, 1335825, 1385300, 1454565, 1496124, 1745478, 1781100, 1870155, 1939420, 2077950, 2424275, 2493540, 2618217, 2671650, 2909130, 3116925, 3490956, 3740310, 4155900, 4363695, 4848550, 5236434, 5343300, 5818260, 6233850, 7272825, 7480620, 8727390, 9350775, 9697100, 10472868, 12467700, 13091085, 14545650, 17454780, 18701550, 21818475, 26182170, 29091300, 37403100, 43636950, 52364340, 65455425, 87273900, 130910850, 261821700]

約数ペア:

[(1, 261821700), (2, 130910850), (3, 87273900), (4, 65455425), (5, 52364340), (6, 43636950), (7, 37403100), (9, 29091300), (10, 26182170), (12, 21818475), (14, 18701550), (15, 17454780), (18, 14545650), (20, 13091085), (21, 12467700), (25, 10472868), (27, 9697100), (28, 9350775), (30, 8727390), (35, 7480620), (36, 7272825), (42, 6233850), (45, 5818260), (49, 5343300), (50, 5236434), (54, 4848550), (60, 4363695), (63, 4155900), (70, 3740310), (75, 3490956), (84, 3116925), (90, 2909130), (98, 2671650), (100, 2618217), (105, 2493540), (108, 2424275), (126, 2077950), (135, 1939420), (140, 1870155), (147, 1781100), (150, 1745478), (175, 1496124), (180, 1454565), (189, 1385300), (196, 1335825), (210, 1246770), (225, 1163652), (245, 1068660), (252, 1038975), (270, 969710), (294, 890550), (300, 872739), (315, 831180), (350, 748062), (378, 692650), (420, 623385), (441, 593700), (450, 581826), (490, 534330), (525, 498708), (540, 484855), (588, 445275), (630, 415590), (675, 387884), (700, 374031), (735, 356220), (756, 346325), (882, 296850), (900, 290913), (945, 277060), (980, 267165), (1050, 249354), (1225, 213732), (1260, 207795), (1323, 197900), (1350, 193942), (1470, 178110), (1575, 166236), (1764, 148425), (1890, 138530), (1979, 132300), (2100, 124677), (2205, 118740), (2450, 106866), (2646, 98950), (2700, 96971), (2940, 89055), (3150, 83118), (3675, 71244), (3780, 69265), (3958, 66150), (4410, 59370), (4725, 55412), (4900, 53433), (5292, 49475), (5937, 44100), (6300, 41559), (6615, 39580), (7350, 35622), (7916, 33075), (8820, 29685), (9450, 27706), (9895, 26460), (11025, 23748), (11874, 22050), (13230, 19790), (13853, 18900), (14700, 17811)]