80957940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192757}}^1$

素因数の和:192776

約数の個数: 48

約数和(自身を含む): 259066752

約数和(自身を除く): 178108812

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, 192757, 385514, 578271, 771028, 963785, 1156542, 1349299, 1927570, 2313084, 2698598, 2891355, 3855140, 4047897, 5397196, 5782710, 6746495, 8095794, 11565420, 13492990, 16191588, 20239485, 26985980, 40478970, 80957940]

約数ペア:

[(1, 80957940), (2, 40478970), (3, 26985980), (4, 20239485), (5, 16191588), (6, 13492990), (7, 11565420), (10, 8095794), (12, 6746495), (14, 5782710), (15, 5397196), (20, 4047897), (21, 3855140), (28, 2891355), (30, 2698598), (35, 2313084), (42, 1927570), (60, 1349299), (70, 1156542), (84, 963785), (105, 771028), (140, 578271), (210, 385514), (420, 192757)]