161077980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{383519}}^1$

素因数の和:383538

約数の個数: 48

約数和(自身を含む): 515450880

約数和(自身を除く): 354372900

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, 383519, 767038, 1150557, 1534076, 1917595, 2301114, 2684633, 3835190, 4602228, 5369266, 5752785, 7670380, 8053899, 10738532, 11505570, 13423165, 16107798, 23011140, 26846330, 32215596, 40269495, 53692660, 80538990, 161077980]

約数ペア:

[(1, 161077980), (2, 80538990), (3, 53692660), (4, 40269495), (5, 32215596), (6, 26846330), (7, 23011140), (10, 16107798), (12, 13423165), (14, 11505570), (15, 10738532), (20, 8053899), (21, 7670380), (28, 5752785), (30, 5369266), (35, 4602228), (42, 3835190), (60, 2684633), (70, 2301114), (84, 1917595), (105, 1534076), (140, 1150557), (210, 767038), (420, 383519)]