161793660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385223}}^1$

素因数の和:385242

約数の個数: 48

約数和(自身を含む): 517741056

約数和(自身を除く): 355947396

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, 385223, 770446, 1155669, 1540892, 1926115, 2311338, 2696561, 3852230, 4622676, 5393122, 5778345, 7704460, 8089683, 10786244, 11556690, 13482805, 16179366, 23113380, 26965610, 32358732, 40448415, 53931220, 80896830, 161793660]

約数ペア:

[(1, 161793660), (2, 80896830), (3, 53931220), (4, 40448415), (5, 32358732), (6, 26965610), (7, 23113380), (10, 16179366), (12, 13482805), (14, 11556690), (15, 10786244), (20, 8089683), (21, 7704460), (28, 5778345), (30, 5393122), (35, 4622676), (42, 3852230), (60, 2696561), (70, 2311338), (84, 1926115), (105, 1540892), (140, 1155669), (210, 770446), (420, 385223)]