21775155075

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 44335019520

約数和(自身を除く): 22559864445

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 59, 71, 75, 81, 85, 135, 151, 153, 177, 213, 225, 255, 295, 355, 405, 425, 453, 459, 531, 639, 675, 755, 765, 885, 1003, 1065, 1207, 1275, 1359, 1377, 1475, 1593, 1775, 1917, 2025, 2265, 2295, 2567, 2655, 3009, 3195, 3621, 3775, 3825, 4077, 4189, 4425, 4779, 5015, 5325, 5751, 6035, 6795, 6885, 7701, 7965, 8909, 9027, 9585, 10721, 10863, 11325, 11475, 12231, 12567, 12835, 13275, 15045, 15975, 18105, 20385, 20945, 23103, 23895, 25075, 26727, 27081, 28755, 30175, 32163, 32589, 33975, 34425, 37701, 38505, 39825, 44545, 45135, 47925, 53605, 54315, 61155, 62835, 64175, 69309, 71213, 75225, 80181, 81243, 90525, 96489, 97767, 101925, 104725, 113103, 115515, 119475, 133635, 135405, 143775, 151453, 160815, 162945, 182257, 188505, 192525, 207927, 213639, 222725, 225675, 240543, 268025, 271575, 289467, 305775, 314175, 339309, 346545, 356065, 400905, 406215, 454359, 482445, 488835, 546771, 565515, 577575, 632539, 640917, 668175, 677025, 721629, 757265, 804075, 814725, 868401, 911285, 942525, 1039635, 1068195, 1202715, 1363077, 1447335, 1640313, 1696545, 1732725, 1780325, 1897617, 1922751, 2004525, 2031075, 2271795, 2412225, 2444175, 2733855, 2827575, 3162695, 3204585, 3608145, 3786325, 4089231, 4342005, 4556425, 4920939, 5198175, 5340975, 5692851, 5768253, 6013575, 6815385, 7236675, 8201565, 8482725, 9488085, 9613755, 10753163, 11358975, 12267693, 13669275, 14762817, 15813475, 16022925, 17078553, 18040725, 20446155, 21710025, 24604695, 28464255, 28841265, 32259489, 34076925, 41007825, 47440425, 48068775, 51235659, 53765815, 61338465, 73814085, 85392765, 96778467, 102230775, 123023475, 142321275, 144206325, 161297445, 256178295, 268829075, 290335401, 306692325, 369070425, 426963825, 483892335, 806487225, 871006203, 1280891475, 1451677005, 2419461675, 4355031015, 7258385025, 21775155075]

約数ペア:

[(1, 21775155075), (3, 7258385025), (5, 4355031015), (9, 2419461675), (15, 1451677005), (17, 1280891475), (25, 871006203), (27, 806487225), (45, 483892335), (51, 426963825), (59, 369070425), (71, 306692325), (75, 290335401), (81, 268829075), (85, 256178295), (135, 161297445), (151, 144206325), (153, 142321275), (177, 123023475), (213, 102230775), (225, 96778467), (255, 85392765), (295, 73814085), (355, 61338465), (405, 53765815), (425, 51235659), (453, 48068775), (459, 47440425), (531, 41007825), (639, 34076925), (675, 32259489), (755, 28841265), (765, 28464255), (885, 24604695), (1003, 21710025), (1065, 20446155), (1207, 18040725), (1275, 17078553), (1359, 16022925), (1377, 15813475), (1475, 14762817), (1593, 13669275), (1775, 12267693), (1917, 11358975), (2025, 10753163), (2265, 9613755), (2295, 9488085), (2567, 8482725), (2655, 8201565), (3009, 7236675), (3195, 6815385), (3621, 6013575), (3775, 5768253), (3825, 5692851), (4077, 5340975), (4189, 5198175), (4425, 4920939), (4779, 4556425), (5015, 4342005), (5325, 4089231), (5751, 3786325), (6035, 3608145), (6795, 3204585), (6885, 3162695), (7701, 2827575), (7965, 2733855), (8909, 2444175), (9027, 2412225), (9585, 2271795), (10721, 2031075), (10863, 2004525), (11325, 1922751), (11475, 1897617), (12231, 1780325), (12567, 1732725), (12835, 1696545), (13275, 1640313), (15045, 1447335), (15975, 1363077), (18105, 1202715), (20385, 1068195), (20945, 1039635), (23103, 942525), (23895, 911285), (25075, 868401), (26727, 814725), (27081, 804075), (28755, 757265), (30175, 721629), (32163, 677025), (32589, 668175), (33975, 640917), (34425, 632539), (37701, 577575), (38505, 565515), (39825, 546771), (44545, 488835), (45135, 482445), (47925, 454359), (53605, 406215), (54315, 400905), (61155, 356065), (62835, 346545), (64175, 339309), (69309, 314175), (71213, 305775), (75225, 289467), (80181, 271575), (81243, 268025), (90525, 240543), (96489, 225675), (97767, 222725), (101925, 213639), (104725, 207927), (113103, 192525), (115515, 188505), (119475, 182257), (133635, 162945), (135405, 160815), (143775, 151453)]