123006520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:797

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 225358280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 91, 94, 104, 130, 140, 182, 188, 235, 260, 280, 329, 364, 376, 455, 470, 520, 611, 658, 719, 728, 910, 940, 1222, 1316, 1438, 1645, 1820, 1880, 2444, 2632, 2876, 3055, 3290, 3595, 3640, 4277, 4888, 5033, 5752, 6110, 6580, 7190, 8554, 9347, 10066, 12220, 13160, 14380, 17108, 18694, 20132, 21385, 24440, 25165, 28760, 33793, 34216, 37388, 40264, 42770, 46735, 50330, 65429, 67586, 74776, 85540, 93470, 100660, 130858, 135172, 168965, 171080, 186940, 201320, 236551, 261716, 270344, 327145, 337930, 373880, 439309, 473102, 523432, 654290, 675860, 878618, 946204, 1182755, 1308580, 1351720, 1757236, 1892408, 2196545, 2365510, 2617160, 3075163, 3514472, 4393090, 4731020, 6150326, 8786180, 9462040, 12300652, 15375815, 17572360, 24601304, 30751630, 61503260, 123006520]

約数ペア:

[(1, 123006520), (2, 61503260), (4, 30751630), (5, 24601304), (7, 17572360), (8, 15375815), (10, 12300652), (13, 9462040), (14, 8786180), (20, 6150326), (26, 4731020), (28, 4393090), (35, 3514472), (40, 3075163), (47, 2617160), (52, 2365510), (56, 2196545), (65, 1892408), (70, 1757236), (91, 1351720), (94, 1308580), (104, 1182755), (130, 946204), (140, 878618), (182, 675860), (188, 654290), (235, 523432), (260, 473102), (280, 439309), (329, 373880), (364, 337930), (376, 327145), (455, 270344), (470, 261716), (520, 236551), (611, 201320), (658, 186940), (719, 171080), (728, 168965), (910, 135172), (940, 130858), (1222, 100660), (1316, 93470), (1438, 85540), (1645, 74776), (1820, 67586), (1880, 65429), (2444, 50330), (2632, 46735), (2876, 42770), (3055, 40264), (3290, 37388), (3595, 34216), (3640, 33793), (4277, 28760), (4888, 25165), (5033, 24440), (5752, 21385), (6110, 20132), (6580, 18694), (7190, 17108), (8554, 14380), (9347, 13160), (10066, 12220)]