51557520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{30689}}^1$

素因数の和:30712

約数の個数: 80

約数和(自身を含む): 182666880

約数和(自身を除く): 131109360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 30689, 61378, 92067, 122756, 153445, 184134, 214823, 245512, 306890, 368268, 429646, 460335, 491024, 613780, 644469, 736536, 859292, 920670, 1074115, 1227560, 1288938, 1473072, 1718584, 1841340, 2148230, 2455120, 2577876, 3222345, 3437168, 3682680, 4296460, 5155752, 6444690, 7365360, 8592920, 10311504, 12889380, 17185840, 25778760, 51557520]

約数ペア:

[(1, 51557520), (2, 25778760), (3, 17185840), (4, 12889380), (5, 10311504), (6, 8592920), (7, 7365360), (8, 6444690), (10, 5155752), (12, 4296460), (14, 3682680), (15, 3437168), (16, 3222345), (20, 2577876), (21, 2455120), (24, 2148230), (28, 1841340), (30, 1718584), (35, 1473072), (40, 1288938), (42, 1227560), (48, 1074115), (56, 920670), (60, 859292), (70, 736536), (80, 644469), (84, 613780), (105, 491024), (112, 460335), (120, 429646), (140, 368268), (168, 306890), (210, 245512), (240, 214823), (280, 184134), (336, 153445), (420, 122756), (560, 92067), (840, 61378), (1680, 30689)]