247590

素因数分解:

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

素因数の和:154

約数の個数: 64

約数和(自身を含む): 760320

約数和(自身を除く): 512730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 131, 135, 189, 210, 262, 270, 315, 378, 393, 630, 655, 786, 917, 945, 1179, 1310, 1834, 1890, 1965, 2358, 2751, 3537, 3930, 4585, 5502, 5895, 7074, 8253, 9170, 11790, 13755, 16506, 17685, 24759, 27510, 35370, 41265, 49518, 82530, 123795, 247590]

約数ペア:

[(1, 247590), (2, 123795), (3, 82530), (5, 49518), (6, 41265), (7, 35370), (9, 27510), (10, 24759), (14, 17685), (15, 16506), (18, 13755), (21, 11790), (27, 9170), (30, 8253), (35, 7074), (42, 5895), (45, 5502), (54, 4585), (63, 3930), (70, 3537), (90, 2751), (105, 2358), (126, 1965), (131, 1890), (135, 1834), (189, 1310), (210, 1179), (262, 945), (270, 917), (315, 786), (378, 655), (393, 630)]