51372720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{10193}}^1$

素因数の和:10219

約数の個数: 120

約数和(自身を含む): 197192736

約数和(自身を除く): 145820016

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, 10193, 20386, 30579, 40772, 50965, 61158, 71351, 81544, 91737, 101930, 122316, 142702, 152895, 163088, 183474, 203860, 214053, 244632, 285404, 305790, 356755, 366948, 407720, 428106, 458685, 489264, 570808, 611580, 642159, 713510, 733896, 815440, 856212, 917370, 1070265, 1141616, 1223160, 1284318, 1427020, 1467792, 1712424, 1834740, 2140530, 2446320, 2568636, 2854040, 3210795, 3424848, 3669480, 4281060, 5137272, 5708080, 6421590, 7338960, 8562120, 10274544, 12843180, 17124240, 25686360, 51372720]

約数ペア:

[(1, 51372720), (2, 25686360), (3, 17124240), (4, 12843180), (5, 10274544), (6, 8562120), (7, 7338960), (8, 6421590), (9, 5708080), (10, 5137272), (12, 4281060), (14, 3669480), (15, 3424848), (16, 3210795), (18, 2854040), (20, 2568636), (21, 2446320), (24, 2140530), (28, 1834740), (30, 1712424), (35, 1467792), (36, 1427020), (40, 1284318), (42, 1223160), (45, 1141616), (48, 1070265), (56, 917370), (60, 856212), (63, 815440), (70, 733896), (72, 713510), (80, 642159), (84, 611580), (90, 570808), (105, 489264), (112, 458685), (120, 428106), (126, 407720), (140, 366948), (144, 356755), (168, 305790), (180, 285404), (210, 244632), (240, 214053), (252, 203860), (280, 183474), (315, 163088), (336, 152895), (360, 142702), (420, 122316), (504, 101930), (560, 91737), (630, 81544), (720, 71351), (840, 61158), (1008, 50965), (1260, 40772), (1680, 30579), (2520, 20386), (5040, 10193)]