80534580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191749}}^1$

素因数の和:191768

約数の個数: 48

約数和(自身を含む): 257712000

約数和(自身を除く): 177177420

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, 191749, 383498, 575247, 766996, 958745, 1150494, 1342243, 1917490, 2300988, 2684486, 2876235, 3834980, 4026729, 5368972, 5752470, 6711215, 8053458, 11504940, 13422430, 16106916, 20133645, 26844860, 40267290, 80534580]

約数ペア:

[(1, 80534580), (2, 40267290), (3, 26844860), (4, 20133645), (5, 16106916), (6, 13422430), (7, 11504940), (10, 8053458), (12, 6711215), (14, 5752470), (15, 5368972), (20, 4026729), (21, 3834980), (28, 2876235), (30, 2684486), (35, 2300988), (42, 1917490), (60, 1342243), (70, 1150494), (84, 958745), (105, 766996), (140, 575247), (210, 383498), (420, 191749)]