139461560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16067}}^1$

素因数の和:16116

約数の個数: 64

約数和(自身を含む): 370206720

約数和(自身を除く): 230745160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 16067, 32134, 64268, 80335, 112469, 128536, 160670, 224938, 321340, 449876, 498077, 562345, 642680, 899752, 996154, 1124690, 1992308, 2249380, 2490385, 3486539, 3984616, 4498760, 4980770, 6973078, 9961540, 13946156, 17432695, 19923080, 27892312, 34865390, 69730780, 139461560]

約数ペア:

[(1, 139461560), (2, 69730780), (4, 34865390), (5, 27892312), (7, 19923080), (8, 17432695), (10, 13946156), (14, 9961540), (20, 6973078), (28, 4980770), (31, 4498760), (35, 3984616), (40, 3486539), (56, 2490385), (62, 2249380), (70, 1992308), (124, 1124690), (140, 996154), (155, 899752), (217, 642680), (248, 562345), (280, 498077), (310, 449876), (434, 321340), (620, 224938), (868, 160670), (1085, 128536), (1240, 112469), (1736, 80335), (2170, 64268), (4340, 32134), (8680, 16067)]