31526460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 110702592

約数和(自身を除く): 79176132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 191, 210, 252, 262, 315, 382, 393, 420, 524, 573, 630, 655, 764, 786, 917, 955, 1146, 1179, 1260, 1310, 1337, 1572, 1719, 1834, 1910, 1965, 2292, 2358, 2620, 2674, 2751, 2865, 3438, 3668, 3820, 3930, 4011, 4585, 4716, 5348, 5502, 5730, 5895, 6685, 6876, 7860, 8022, 8253, 8595, 9170, 11004, 11460, 11790, 12033, 13370, 13755, 16044, 16506, 17190, 18340, 20055, 23580, 24066, 25021, 26740, 27510, 33012, 34380, 40110, 41265, 48132, 50042, 55020, 60165, 75063, 80220, 82530, 100084, 120330, 125105, 150126, 165060, 175147, 225189, 240660, 250210, 300252, 350294, 375315, 450378, 500420, 525441, 700588, 750630, 875735, 900756, 1050882, 1125945, 1501260, 1576323, 1751470, 2101764, 2251890, 2627205, 3152646, 3502940, 4503780, 5254410, 6305292, 7881615, 10508820, 15763230, 31526460]

約数ペア:

[(1, 31526460), (2, 15763230), (3, 10508820), (4, 7881615), (5, 6305292), (6, 5254410), (7, 4503780), (9, 3502940), (10, 3152646), (12, 2627205), (14, 2251890), (15, 2101764), (18, 1751470), (20, 1576323), (21, 1501260), (28, 1125945), (30, 1050882), (35, 900756), (36, 875735), (42, 750630), (45, 700588), (60, 525441), (63, 500420), (70, 450378), (84, 375315), (90, 350294), (105, 300252), (126, 250210), (131, 240660), (140, 225189), (180, 175147), (191, 165060), (210, 150126), (252, 125105), (262, 120330), (315, 100084), (382, 82530), (393, 80220), (420, 75063), (524, 60165), (573, 55020), (630, 50042), (655, 48132), (764, 41265), (786, 40110), (917, 34380), (955, 33012), (1146, 27510), (1179, 26740), (1260, 25021), (1310, 24066), (1337, 23580), (1572, 20055), (1719, 18340), (1834, 17190), (1910, 16506), (1965, 16044), (2292, 13755), (2358, 13370), (2620, 12033), (2674, 11790), (2751, 11460), (2865, 11004), (3438, 9170), (3668, 8595), (3820, 8253), (3930, 8022), (4011, 7860), (4585, 6876), (4716, 6685), (5348, 5895), (5502, 5730)]