65310420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155501}}^1$

素因数の和:155520

約数の個数: 48

約数和(自身を含む): 208994688

約数和(自身を除く): 143684268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 155501, 311002, 466503, 622004, 777505, 933006, 1088507, 1555010, 1866012, 2177014, 2332515, 3110020, 3265521, 4354028, 4665030, 5442535, 6531042, 9330060, 10885070, 13062084, 16327605, 21770140, 32655210, 65310420]

約数ペア:

[(1, 65310420), (2, 32655210), (3, 21770140), (4, 16327605), (5, 13062084), (6, 10885070), (7, 9330060), (10, 6531042), (12, 5442535), (14, 4665030), (15, 4354028), (20, 3265521), (21, 3110020), (28, 2332515), (30, 2177014), (35, 1866012), (42, 1555010), (60, 1088507), (70, 933006), (84, 777505), (105, 622004), (140, 466503), (210, 311002), (420, 155501)]