67959920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121357}}^1$

素因数の和:121377

約数の個数: 40

約数和(自身を含む): 180580704

約数和(自身を除く): 112620784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121357, 242714, 485428, 606785, 849499, 970856, 1213570, 1698998, 1941712, 2427140, 3397996, 4247495, 4854280, 6795992, 8494990, 9708560, 13591984, 16989980, 33979960, 67959920]

約数ペア:

[(1, 67959920), (2, 33979960), (4, 16989980), (5, 13591984), (7, 9708560), (8, 8494990), (10, 6795992), (14, 4854280), (16, 4247495), (20, 3397996), (28, 2427140), (35, 1941712), (40, 1698998), (56, 1213570), (70, 970856), (80, 849499), (112, 606785), (140, 485428), (280, 242714), (560, 121357)]