649217520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{128813}}^1$

素因数の和:128839

約数の個数: 120

約数和(自身を含む): 2491778016

約数和(自身を除く): 1842560496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 128813, 257626, 386439, 515252, 644065, 772878, 901691, 1030504, 1159317, 1288130, 1545756, 1803382, 1932195, 2061008, 2318634, 2576260, 2705073, 3091512, 3606764, 3864390, 4508455, 4637268, 5152520, 5410146, 5796585, 6183024, 7213528, 7728780, 8115219, 9016910, 9274536, 10305040, 10820292, 11593170, 13525365, 14427056, 15457560, 16230438, 18033820, 18549072, 21640584, 23186340, 27050730, 30915120, 32460876, 36067640, 40576095, 43281168, 46372680, 54101460, 64921752, 72135280, 81152190, 92745360, 108202920, 129843504, 162304380, 216405840, 324608760, 649217520]

約数ペア:

[(1, 649217520), (2, 324608760), (3, 216405840), (4, 162304380), (5, 129843504), (6, 108202920), (7, 92745360), (8, 81152190), (9, 72135280), (10, 64921752), (12, 54101460), (14, 46372680), (15, 43281168), (16, 40576095), (18, 36067640), (20, 32460876), (21, 30915120), (24, 27050730), (28, 23186340), (30, 21640584), (35, 18549072), (36, 18033820), (40, 16230438), (42, 15457560), (45, 14427056), (48, 13525365), (56, 11593170), (60, 10820292), (63, 10305040), (70, 9274536), (72, 9016910), (80, 8115219), (84, 7728780), (90, 7213528), (105, 6183024), (112, 5796585), (120, 5410146), (126, 5152520), (140, 4637268), (144, 4508455), (168, 3864390), (180, 3606764), (210, 3091512), (240, 2705073), (252, 2576260), (280, 2318634), (315, 2061008), (336, 1932195), (360, 1803382), (420, 1545756), (504, 1288130), (560, 1159317), (630, 1030504), (720, 901691), (840, 772878), (1008, 644065), (1260, 515252), (1680, 386439), (2520, 257626), (5040, 128813)]