65325540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155537}}^1$

素因数の和:155556

約数の個数: 48

約数和(自身を含む): 209043072

約数和(自身を除く): 143717532

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, 155537, 311074, 466611, 622148, 777685, 933222, 1088759, 1555370, 1866444, 2177518, 2333055, 3110740, 3266277, 4355036, 4666110, 5443795, 6532554, 9332220, 10887590, 13065108, 16331385, 21775180, 32662770, 65325540]

約数ペア:

[(1, 65325540), (2, 32662770), (3, 21775180), (4, 16331385), (5, 13065108), (6, 10887590), (7, 9332220), (10, 6532554), (12, 5443795), (14, 4666110), (15, 4355036), (20, 3266277), (21, 3110740), (28, 2333055), (30, 2177518), (35, 1866444), (42, 1555370), (60, 1088759), (70, 933222), (84, 777685), (105, 622148), (140, 466611), (210, 311074), (420, 155537)]